Alright, let's work through 1394 times 170 step by step
1394 × 170 = 170 × (1394)
+ 170 × 4 that is equal 680
+ 170 × 90 producing 15300
+ 170 × 300 resulting in 51000
+ 170 × 1000 that results in 170000

= 236980
