We're going to solve 7723 multiplied by 7158
7723 × 7158 = 7158 × (7723)
+ 7158 × 3 what gives us 21474
+ 7158 × 20 yielding 143160
+ 7158 × 700 giving us 5010600
+ 7158 × 7000 that equals 50106000

= 55281234
