We're going to solve 7578 multiplied by 9115
7578 × 9115 = 9115 × (7578)
+ 9115 × 8 which equals 72920
+ 9115 × 70 giving us 638050
+ 9115 × 500 giving us 4557500
+ 9115 × 7000 producing 63805000

= 69073470
