Alright, let's work through 1020 times 5048 step by step
1020 × 5048 = 5048 × (1020)
+ 5048 × 0 what gives us 0
+ 5048 × 20 giving us 100960
+ 5048 × 000 yielding 0
+ 5048 × 1000 that equals 5048000

= 5148960
