No problem, we've got 1621 and 4685 to multiply
1621 × 4685 = 4685 × (1621)
+ 4685 × 1 that is equal 4685
+ 4685 × 20 giving us 93700
+ 4685 × 600 which equals 2811000
+ 4685 × 1000 that equals 4685000

= 7594385
