We're going to solve 9953 multiplied by 2158
9953 × 2158 = 2158 × (9953)
+ 2158 × 3 what gives us 6474
+ 2158 × 50 yielding 107900
+ 2158 × 900 producing 1942200
+ 2158 × 9000 that results in 19422000

= 21478574
