Alright, let's work through 3894 times 2490 step by step
3894 × 2490 = 2490 × (3894)
+ 2490 × 4 which equals 9960
+ 2490 × 90 what gives us 224100
+ 2490 × 800 which equals 1992000
+ 2490 × 3000 that results in 7470000

= 9696060
