No problem, we've got 8429 and 8625 to multiply
8429 × 8625 = 8625 × (8429)
+ 8625 × 9 yielding 77625
+ 8625 × 20 which equals 172500
+ 8625 × 400 what gives us 3450000
+ 8625 × 8000 which equals 69000000

= 72700125
