Alright, let's work through 1880 times 4407 step by step
1880 × 4407 = 4407 × (1880)
+ 4407 × 0 what gives us 0
+ 4407 × 80 giving us 352560
+ 4407 × 800 that equals 3525600
+ 4407 × 1000 that equals 4407000

= 8285160
