Alright, let's work through 2380 times 6905 step by step
2380 × 6905 = 6905 × (2380)
+ 6905 × 0 that is equal 0
+ 6905 × 80 giving us 552400
+ 6905 × 300 what gives us 2071500
+ 6905 × 2000 what gives us 13810000

= 16433900
