No problem, we've got 2509 and 3810 to multiply
2509 × 3810 = 3810 × (2509)
+ 3810 × 9 that equals 34290
+ 3810 × 00 yielding 0
+ 3810 × 500 that is equal 1905000
+ 3810 × 2000 that equals 7620000

= 9559290
