Alright, let's work through 3390 times 9342 step by step
3390 × 9342 = 9342 × (3390)
+ 9342 × 0 which equals 0
+ 9342 × 90 what gives us 840780
+ 9342 × 300 giving us 2802600
+ 9342 × 3000 giving us 28026000

= 31669380
