Alright, let's work through 7155 times 915 step by step
7155 × 915 = 915 × (7155)
+ 915 × 5 giving us 4575
+ 915 × 50 that is equal 45750
+ 915 × 100 yielding 91500
+ 915 × 7000 resulting in 6405000

= 6546825
