No problem, we've got 20042655 and 12122261 to multiply
20042655 × 12122261 = 12122261 × (20042655)
+ 12122261 × 5 giving us 60611305
+ 12122261 × 50 what gives us 606113050
+ 12122261 × 600 giving us 7273356600
+ 12122261 × 2000 that is equal 24244522000
+ 12122261 × 40000 resulting in 484890440000
+ 12122261 × 000000 resulting in 0
+ 12122261 × 0000000 giving us 0
+ 12122261 × 20000000 that results in 242445220000000

= 242962295042955
