Alright, let's work through 2438 times 7665 step by step
2438 × 7665 = 7665 × (2438)
+ 7665 × 8 giving us 61320
+ 7665 × 30 giving us 229950
+ 7665 × 400 giving us 3066000
+ 7665 × 2000 that is equal 15330000

= 18687270
