No problem, we've got 7107 and 3909 to multiply
7107 × 3909 = 3909 × (7107)
+ 3909 × 7 giving us 27363
+ 3909 × 00 resulting in 0
+ 3909 × 100 that is equal 390900
+ 3909 × 7000 that is equal 27363000

= 27781263
