No problem, we've got 4507 and 9002 to multiply
4507 × 9002 = 9002 × (4507)
+ 9002 × 7 which equals 63014
+ 9002 × 00 resulting in 0
+ 9002 × 500 that is equal 4501000
+ 9002 × 4000 resulting in 36008000

= 40572014
