No problem, we've got 8403 and 7107 to multiply
8403 × 7107 = 7107 × (8403)
+ 7107 × 3 giving us 21321
+ 7107 × 00 that is equal 0
+ 7107 × 400 giving us 2842800
+ 7107 × 8000 what gives us 56856000

= 59720121
