No problem, we've got 9039 and 8570 to multiply
9039 × 8570 = 8570 × (9039)
+ 8570 × 9 what gives us 77130
+ 8570 × 30 resulting in 257100
+ 8570 × 000 that equals 0
+ 8570 × 9000 yielding 77130000

= 77464230
