Alright, let's work through 9243 times 7870 step by step
9243 × 7870 = 7870 × (9243)
+ 7870 × 3 giving us 23610
+ 7870 × 40 resulting in 314800
+ 7870 × 200 giving us 1574000
+ 7870 × 9000 producing 70830000

= 72742410
