Alright, let's work through 2559 times 9248 step by step
2559 × 9248 = 9248 × (2559)
+ 9248 × 9 that is equal 83232
+ 9248 × 50 giving us 462400
+ 9248 × 500 that is equal 4624000
+ 9248 × 2000 what gives us 18496000

= 23665632
