Alright, let's work through 9900 times 6042 step by step
9900 × 6042 = 6042 × (9900)
+ 6042 × 0 that results in 0
+ 6042 × 00 resulting in 0
+ 6042 × 900 giving us 5437800
+ 6042 × 9000 what gives us 54378000

= 59815800
