No problem, we've got 3900 and 7359 to multiply
3900 × 7359 = 7359 × (3900)
+ 7359 × 0 yielding 0
+ 7359 × 00 that is equal 0
+ 7359 × 900 giving us 6623100
+ 7359 × 3000 producing 22077000

= 28700100
