No problem, we've got 3621 and 1512 to multiply
3621 × 1512 = 1512 × (3621)
+ 1512 × 1 giving us 1512
+ 1512 × 20 which equals 30240
+ 1512 × 600 that equals 907200
+ 1512 × 3000 that is equal 4536000

= 5474952
