Alright, let's work through 1786 times 9424 step by step
1786 × 9424 = 9424 × (1786)
+ 9424 × 6 which equals 56544
+ 9424 × 80 which equals 753920
+ 9424 × 700 resulting in 6596800
+ 9424 × 1000 that is equal 9424000

= 16831264
