We're going to solve 7790 multiplied by 9830
7790 × 9830 = 9830 × (7790)
+ 9830 × 0 giving us 0
+ 9830 × 90 producing 884700
+ 9830 × 700 that is equal 6881000
+ 9830 × 7000 resulting in 68810000

= 76575700
