No problem, we've got 2500 and 4172 to multiply
2500 × 4172 = 4172 × (2500)
+ 4172 × 0 resulting in 0
+ 4172 × 00 which equals 0
+ 4172 × 500 that is equal 2086000
+ 4172 × 2000 that equals 8344000

= 10430000
