Alright, let's work through 7171 times 578 step by step
7171 × 578 = 578 × (7171)
+ 578 × 1 giving us 578
+ 578 × 70 what gives us 40460
+ 578 × 100 yielding 57800
+ 578 × 7000 giving us 4046000

= 4144838
