Alright, let's work through 1390 times 7882 step by step
1390 × 7882 = 7882 × (1390)
+ 7882 × 0 giving us 0
+ 7882 × 90 what gives us 709380
+ 7882 × 300 which equals 2364600
+ 7882 × 1000 that equals 7882000

= 10955980
