2 + 4 x 5 =?
22
(7x2+5) + 15 x 2 =?
49
[ 2(25/5)] x 2 =
20
90 x 10 / 2( 3+2) =
2250
[10 x 3 + 17 - 3(40/2 x 5) +5] - 22=
4383.