We're going to solve 7830 multiplied by 3578
7830 × 3578 = 3578 × (7830)
+ 3578 × 0 yielding 0
+ 3578 × 30 producing 107340
+ 3578 × 800 yielding 2862400
+ 3578 × 7000 that results in 25046000

= 28015740
