No problem, we've got 4721 and 8418 to multiply
4721 × 8418 = 8418 × (4721)
+ 8418 × 1 that is equal 8418
+ 8418 × 20 which equals 168360
+ 8418 × 700 giving us 5892600
+ 8418 × 4000 giving us 33672000

= 39741378
