Alright, let's work through 1760 times 6398 step by step
1760 × 6398 = 6398 × (1760)
+ 6398 × 0 which equals 0
+ 6398 × 60 that is equal 383880
+ 6398 × 700 that results in 4478600
+ 6398 × 1000 yielding 6398000

= 11260480
