No problem, we've got 45034223 and 8747721 to multiply
45034223 × 8747721 = 8747721 × (45034223)
+ 8747721 × 3 which equals 26243163
+ 8747721 × 20 resulting in 174954420
+ 8747721 × 200 that is equal 1749544200
+ 8747721 × 4000 what gives us 34990884000
+ 8747721 × 30000 which equals 262431630000
+ 8747721 × 000000 that results in 0
+ 8747721 × 5000000 which equals 43738605000000
+ 8747721 × 40000000 that is equal 349908840000000

= 393946818255783
