Alright, let's work through 8994 times 8394 step by step
8994 × 8394 = 8394 × (8994)
+ 8394 × 4 yielding 33576
+ 8394 × 90 that results in 755460
+ 8394 × 900 what gives us 7554600
+ 8394 × 8000 that results in 67152000

= 75495636
