We're going to solve 9900 multiplied by 4258
9900 × 4258 = 4258 × (9900)
+ 4258 × 0 that results in 0
+ 4258 × 00 that is equal 0
+ 4258 × 900 what gives us 3832200
+ 4258 × 9000 producing 38322000

= 42154200
