No problem, we've got 3503 and 812 to multiply
3503 × 812 = 812 × (3503)
+ 812 × 3 what gives us 2436
+ 812 × 00 that results in 0
+ 812 × 500 what gives us 406000
+ 812 × 3000 that results in 2436000

= 2844436
