Alright, let's work through 3130 times 2578 step by step
3130 × 2578 = 2578 × (3130)
+ 2578 × 0 giving us 0
+ 2578 × 30 that is equal 77340
+ 2578 × 100 producing 257800
+ 2578 × 3000 what gives us 7734000

= 8069140
