Alright, let's work through 3920 times 9320 step by step
3920 × 9320 = 9320 × (3920)
+ 9320 × 0 that is equal 0
+ 9320 × 20 what gives us 186400
+ 9320 × 900 that equals 8388000
+ 9320 × 3000 giving us 27960000

= 36534400
