We're going to solve 64284679 multiplied by 20922763
64284679 × 20922763 = 20922763 × (64284679)
+ 20922763 × 9 resulting in 188304867
+ 20922763 × 70 which equals 1464593410
+ 20922763 × 600 that is equal 12553657800
+ 20922763 × 4000 that is equal 83691052000
+ 20922763 × 80000 that is equal 1673821040000
+ 20922763 × 200000 what gives us 4184552600000
+ 20922763 × 4000000 which equals 83691052000000
+ 20922763 × 60000000 yielding 1255365780000000

= 1345013103248077
