`#Kenshiro`
`9/10 xx 64 + 50 : 10/9 - 14 xx 9/10`
`= 566/ 10 + 50 : 10/9 - 14 xx 9/10`
`= 288/5 + 50 : 10/9 - 14 xx 9/10`
`= 288/5 + 450/10 - 14 xx 9/10`
`= 288/5 + 45/1 - 14 xx 9/10`
`= 288/5 + 45/1 - 126/10`
`= 513/5 - 126/10`
`= 900/10 = 90/1 = 90`