(0,872/2,18+4,578/3,27)*((19,035-17,89)/7,385)

1)0,872/2,18=0,42)4,578/3,27=1,43)0,4+1,4=1,84)19,035-17,89=1,1455)1,145/7,385=0,1550440086)1,8*0,155044008=0,279079214