No problem, we've got 4066 and 7721 to multiply
4066 × 7721 = 7721 × (4066)
+ 7721 × 6 that is equal 46326
+ 7721 × 60 giving us 463260
+ 7721 × 000 that is equal 0
+ 7721 × 4000 that equals 30884000

= 31393586
