No problem, we've got 5787 and 4070 to multiply
5787 × 4070 = 4070 × (5787)
+ 4070 × 7 that equals 28490
+ 4070 × 80 yielding 325600
+ 4070 × 700 that equals 2849000
+ 4070 × 5000 resulting in 20350000

= 23553090
