Let's calculate 5558 x 9987
5558 × 9987 = 9987 × (5558)
+ 9987 × 8 that is equal 79896
+ 9987 × 50 which equals 499350
+ 9987 × 500 that equals 4993500
+ 9987 × 5000 that is equal 49935000

= 55507746
