No problem, we've got 2451 and 9665 to multiply
2451 × 9665 = 9665 × (2451)
+ 9665 × 1 that equals 9665
+ 9665 × 50 what gives us 483250
+ 9665 × 400 which equals 3866000
+ 9665 × 2000 that results in 19330000

= 23688915
