No problem, we've got 1523 and 3149 to multiply
1523 × 3149 = 3149 × (1523)
+ 3149 × 3 which equals 9447
+ 3149 × 20 that is equal 62980
+ 3149 × 500 giving us 1574500
+ 3149 × 1000 what gives us 3149000

= 4795927
