gistfile1.txt

text = """
0.01908ms
0.02825ms
0.01729ms
0.03700ms
0.02542ms
0.02700ms
0.04529ms
0.00400ms
0.02742ms
0.05267ms
0.19346ms
0.37246ms
0.05050ms
0.01021ms
0.04125ms
0.04804ms
0.03242ms
0.02437ms
0.04613ms
0.00887ms
0.01087ms
0.03775ms
0.01904ms
0.02904ms
0.02983ms
0.02654ms
0.00713ms
0.03942ms
0.15233ms
0.20112ms
0.11017ms
0.02563ms
0.03429ms
0.00471ms
0.01667ms
0.01813ms
0.02137ms
0.03792ms
0.02571ms
0.01500ms
0.01008ms
0.03454ms
0.02092ms
0.01688ms
0.02175ms
0.01883ms
0.00696ms
0.00367ms
0.01233ms
0.00917ms
0.00829ms
0.00558ms
0.00658ms
0.01088ms
0.02283ms
0.00975ms
0.00675ms
0.00662ms
0.01492ms
0.01017ms
0.00762ms
0.00938ms
0.01375ms
0.00808ms
0.01162ms
0.00467ms
0.00896ms
0.00800ms
0.05442ms
0.04575ms
0.05071ms
0.01408ms
0.06608ms
0.01804ms
0.02979ms
0.01979ms
0.05075ms
0.03962ms
0.04379ms
0.00567ms
0.03979ms
0.05763ms
0.02033ms
0.02512ms
0.02358ms
0.02225ms
0.00850ms
0.04492ms
0.01421ms
0.02546ms
0.01279ms
0.02171ms
0.01767ms
0.00854ms
0.04929ms
0.00375ms
0.00346ms
0.05750ms
0.05692ms
0.02088ms
0.02858ms
0.01142ms
0.00346ms
0.02271ms
0.00662ms
0.05042ms
0.01729ms
0.05046ms
0.00250ms
0.04679ms
0.03650ms
0.04587ms
0.00908ms
0.01221ms
0.00613ms
0.00200ms
0.00708ms
0.00846ms
0.00850ms
0.00708ms
0.00563ms
0.00646ms
0.00646ms
0.00721ms
0.00833ms
0.04446ms
0.01004ms
0.05554ms
0.01092ms
0.03854ms
0.01262ms
0.06342ms
0.04171ms
0.03696ms
0.01321ms
0.03246ms
0.04371ms
0.02083ms
0.03375ms
0.01950ms
0.02304ms
0.03717ms
0.01333ms
0.03658ms
0.01025ms
0.05633ms
0.00917ms
0.04592ms
0.03471ms
0.02104ms
0.03462ms
0.01621ms
0.02650ms
0.05704ms
0.02017ms
0.00521ms
0.06183ms
0.03767ms
0.02379ms
0.01758ms
0.01958ms
0.02992ms
0.02763ms
0.01729ms
0.04054ms
0.00933ms
0.05246ms
0.01262ms
0.05071ms
0.01317ms
0.02312ms
0.04033ms
0.01171ms
0.05554ms
0.03379ms
0.00883ms
0.05004ms
0.02025ms
0.04229ms
0.01229ms
0.05042ms
0.00888ms
0.03229ms
"""

sum = 0
for line in text.splitlines():
    if line:
        sum += float(line.split('ms')[0].strip())
print(sum)