Alright, let's work through 9424 times 8439 step by step
9424 × 8439 = 8439 × (9424)
+ 8439 × 4 which equals 33756
+ 8439 × 20 giving us 168780
+ 8439 × 400 what gives us 3375600
+ 8439 × 9000 giving us 75951000

= 79529136
