Alright, let's work through 4380 times 1715 step by step
4380 × 1715 = 1715 × (4380)
+ 1715 × 0 that results in 0
+ 1715 × 80 that results in 137200
+ 1715 × 300 yielding 514500
+ 1715 × 4000 which equals 6860000

= 7511700
