No problem, we've got 6123812 and 89123042 to multiply
6123812 × 89123042 = 89123042 × (6123812)
+ 89123042 × 2 that equals 178246084
+ 89123042 × 10 which equals 891230420
+ 89123042 × 800 producing 71298433600
+ 89123042 × 3000 yielding 267369126000
+ 89123042 × 20000 giving us 1782460840000
+ 89123042 × 100000 that is equal 8912304200000
+ 89123042 × 6000000 which equals 534738252000000

= 545772754076104
