No problem, we've got 8521 and 7958 to multiply
8521 × 7958 = 7958 × (8521)
+ 7958 × 1 that is equal 7958
+ 7958 × 20 producing 159160
+ 7958 × 500 resulting in 3979000
+ 7958 × 8000 resulting in 63664000

= 67810118
