378.8 mod 33.5 = 10.3
378.8 div 2.5 = 151
в=10.3+151=161.3
161.3 mod 3= 2.3
a=2.3
2.3 mod 2 = 0.3
в=0.3
a= 0.3+ 2.3 = 2.6
ответ 2.6
