No problem, we've got 12136709 and 18694851 to multiply
12136709 × 18694851 = 18694851 × (12136709)
+ 18694851 × 9 what gives us 168253659
+ 18694851 × 00 that is equal 0
+ 18694851 × 700 giving us 13086395700
+ 18694851 × 6000 which equals 112169106000
+ 18694851 × 30000 resulting in 560845530000
+ 18694851 × 100000 that results in 1869485100000
+ 18694851 × 2000000 giving us 37389702000000
+ 18694851 × 10000000 yielding 186948510000000

= 226893966385359
