`A = (2^30 . 5^7 + 2^13 . 5^27)/(2^27 . 5^7 + 2^10 . 5^27)`
`A = (5^7 . 2^13 . (2^17 + 5^20))/(5^7 . 2^10 . (2^17 + 5^20))`
`A = 2^3`
`A = 8`
`B = (3^10 . 16 + 3^9 . 326)/(3^7 . 187)`
`B = (3^10 . 2^4 + 3^9 . 2 . 163)/(3^7 . 187)`
`B = (3^9 . 2 . (3 . 2^3 + 163))/(3^7 . 187)`
`B = (3^9 . 2 . 187)/(3^7 . 187)`
`B = 3^2 . 2`
`B = 18`