No problem, we've got 5515 and 7663 to multiply
5515 × 7663 = 7663 × (5515)
+ 7663 × 5 giving us 38315
+ 7663 × 10 resulting in 76630
+ 7663 × 500 that is equal 3831500
+ 7663 × 5000 that is equal 38315000

= 42261445
