Big Bessa

194 17 x 0.248 = 48 15

0.248

1 0 x 0.346 = 34.6

0.346

12 9 x 0.02 = 24.18

0.02

x 0.007 = 0

0.007 48  73

43 87 x 1 = 43 87

43  87