Alright, let's work through 7830 times 7150 step by step
7830 × 7150 = 7150 × (7830)
+ 7150 × 0 that equals 0
+ 7150 × 30 yielding 214500
+ 7150 × 800 resulting in 5720000
+ 7150 × 7000 producing 50050000

= 55984500
