No problem, we've got 1420 and 9638 to multiply
1420 × 9638 = 9638 × (1420)
+ 9638 × 0 yielding 0
+ 9638 × 20 producing 192760
+ 9638 × 400 that results in 3855200
+ 9638 × 1000 that is equal 9638000

= 13685960
