No problem, we've got 7270972 and 71713212 to multiply
7270972 × 71713212 = 71713212 × (7270972)
+ 71713212 × 2 what gives us 143426424
+ 71713212 × 70 what gives us 5019924840
+ 71713212 × 900 which equals 64541890800
+ 71713212 × 0000 that results in 0
+ 71713212 × 70000 that equals 5019924840000
+ 71713212 × 200000 giving us 14342642400000
+ 71713212 × 7000000 that equals 501992484000000

= 521424756482064
