No problem, we've got 2788 and 6530 to multiply
2788 × 6530 = 6530 × (2788)
+ 6530 × 8 what gives us 52240
+ 6530 × 80 yielding 522400
+ 6530 × 700 yielding 4571000
+ 6530 × 2000 yielding 13060000

= 18205640
