Multiplying two numbers in assembly MS-DOS

multiply.txt

# Connecting physical folders
MOUNT C: /Users/user/file
C:

# To view memory, enter programs into it, 
# and track its execution
debug
a100

# Clean records and multiply
sub ax,ax
mov cx,4
add ax,8
loop 105
nop

# View and execute the process 
# for each instruction
r
t