zablotski

$('td:contains("2.0")').parent().remove(); //usunięcie wpisów z oceną 2
var sum=0; //suma ECTS 
var mulSum=0; // suma ECTS * ocena 
$('td[title="ocena"]').each(function(){
    mulSum += parseFloat($(this).text()) * parseFloat($(this).next().next().text());
    sum += parseFloat($(this).next().next().text());
    console.log(parseFloat($(this).text()), parseFloat($(this).next().next().text()));
    
});
console.log(mulSum, sum, mulSum/sum); 

christocracy

public class MyView extends SimpleViewManager<MapView> {
    public static final String TAG = "MyView";

    @Override
    public String getName() {
        return TAG;
    }

    @Override
    protected MapView createViewInstance(ThemedReactContext context) {