I did both things cas you left a space in between 63 b
A + 63 + b + 52c or A + 63b + 52c
6 + 63 +51+ 52 * 1/4 6 + 63 * 51 + 52 * 1/4
6 + 63 + 51 + 13.5 6 + 63 * 51 + 13.5
69 + 51 + 13.5 69 * 51 +13.5
120 + 13.5 3519 + 13.5
133.5 0r 133 1/2 3532.5 0r 3532 1/2
WELCOME :/