No problem, we've got 8520 and 8101 to multiply
8520 × 8101 = 8101 × (8520)
+ 8101 × 0 that equals 0
+ 8101 × 20 resulting in 162020
+ 8101 × 500 yielding 4050500
+ 8101 × 8000 yielding 64808000

= 69020520
