560:(720:90)-900:5*3+(6*8:4+28):5

Question

560:(720:90)-900:5*3+(6*8:4+28):5

Answer 1

720:90=8
560:8=70
900:5=180
180*3=540
6*8:4+28=40
40:5=8
70+540+8=618

Answer 2

720:90=8
6*8:4+28=40
560:8=70
900:5=180
180*3=540
40:5=8
540+70+8=618