help i have to redo this.
14/14*14+14-14/15/15*15+15-15= redo
10^9*(16*3)= redo
(14/14*14) +14 - (14/15/15*15) +15-15 =
(1)*14 + 14 - ( 14* 15 / 225) + 0
14 + 14 - (14 /15) =
28 - 14/15 =
[ 420 - 14] / 15 =
406 / 15
10^9*(16*3) =
10^9 * (48) =
48,000,000,000
+5 
