Alright, let's work through 1021 times 3500 step by step
1021 × 3500 = 3500 × (1021)
+ 3500 × 1 that equals 3500
+ 3500 × 20 resulting in 70000
+ 3500 × 000 what gives us 0
+ 3500 × 1000 resulting in 3500000

= 3573500
