647*(36900-255*144)-318*92

Question

647*(36900-255*144)-318*92

Answer 1

647*(36900-255*144)-318*92 = 87204
1) 255*144 = 36720
2) 36900 - 36720 = 180
3) 180*647 = 116460
4) 318*92 = 29256
5) 116460 - 29256 = 87204

Answer 2

1)255*144=36720
2)36900-36720=180
3)647*180=116460
4)318*92=29256
5)116460-29256=87204