Alright, let's work through 7245 times 2947 step by step
7245 × 2947 = 2947 × (7245)
+ 2947 × 5 producing 14735
+ 2947 × 40 that equals 117880
+ 2947 × 200 resulting in 589400
+ 2947 × 7000 yielding 20629000

= 21351015
