Alright, let's work through 2715 times 1153 step by step
2715 × 1153 = 1153 × (2715)
+ 1153 × 5 which equals 5765
+ 1153 × 10 resulting in 11530
+ 1153 × 700 that equals 807100
+ 1153 × 2000 giving us 2306000

= 3130395
