in cows calc the amount 180 Error

[jumhuur]

waxaa jira qalada ku jira tirada 180 waxaa la doonayay in
marka 30 / 180 = 6 tass oo ka dhigan 6 neef oo sanad dhamaystay
laakiin waxaa soo baxaysa sidan 6
isagoo function-ka soo saaraya sidan
waxa uu u kala qaybinayaa amount-ga 180 ah laba qayboo oo ah 80 iyo 100
80 = 2 neef oo ah sanadkii labaad dhamaystay
100 = 3 neef oo dhamaystay sanad
jawaabta ugu danbaysana waxa uu ka dhigayaa

2 + 3 = 5