Alright, let's work through 8812 times 350 step by step
8812 × 350 = 350 × (8812)
+ 350 × 2 giving us 700
+ 350 × 10 that equals 3500
+ 350 × 800 what gives us 280000
+ 350 × 8000 that is equal 2800000

= 3084200
