No problem, we've got 9507 and 2275 to multiply
9507 × 2275 = 2275 × (9507)
+ 2275 × 7 what gives us 15925
+ 2275 × 00 producing 0
+ 2275 × 500 which equals 1137500
+ 2275 × 9000 that is equal 20475000

= 21628425
