Alright, let's work through 3500 times 2942 step by step
3500 × 2942 = 2942 × (3500)
+ 2942 × 0 yielding 0
+ 2942 × 00 that results in 0
+ 2942 × 500 giving us 1471000
+ 2942 × 3000 resulting in 8826000

= 10297000
