Swamp Python

378 99 x 0.001 = 37.899

0.001

1 78 x 0.072 = 12.816

0.072

10 87 x 0.003 = 3.261

0.003

30 x 0.005 = 0.15

0.005

x 0.078 = 0

0.078

x 3.705 = 0

3.705