4×3.14=1v3K4^(z0O0{4U9e3s(k9w1C;D
3×2×3.14=(X8S/~6d2k/`(Q9L:^4U9e3s(k9w1C;D
0.6×3.14=-f0N1@(r7w4},I4U9e3s(k9w1C;D
2÷33.14=0A.f7B;W5C7k)}+C4U9e3s(k9w1C;D