A: 6 × 9 = 42
B: 7 × 13 = 115
C: 17 × 17 = 275
D: 39 × 19 = 417
E: 1294 × 6 = 7764
F: 432 ÷ 3 = 124
G: 777 ÷ 31 = 27
H: 684 ÷ 47 = 17
I: 111 × 47 = 5437
Pro odlov keše pak platí:
WW = (A × B) ÷ [(G × F) + A + C]
XXX = (D × I) – H
YY = E + A
ZZZ = (D × D) – [E × (G + B + C + C)]
N 50° WW.XXX' E 014° YY.ZZZ'