No problem, we've got 13704977 and 20766921 to multiply
13704977 × 20766921 = 20766921 × (13704977)
+ 20766921 × 7 resulting in 145368447
+ 20766921 × 70 that equals 1453684470
+ 20766921 × 900 what gives us 18690228900
+ 20766921 × 4000 which equals 83067684000
+ 20766921 × 00000 that results in 0
+ 20766921 × 700000 which equals 14536844700000
+ 20766921 × 3000000 yielding 62300763000000
+ 20766921 × 10000000 that is equal 207669210000000

= 284610174665817
