Alright, let's work through 2390 times 1394 step by step
2390 × 1394 = 1394 × (2390)
+ 1394 × 0 that is equal 0
+ 1394 × 90 yielding 125460
+ 1394 × 300 resulting in 418200
+ 1394 × 2000 that is equal 2788000

= 3331660
