Alright, let's work through 6358 times 1170 step by step
6358 × 1170 = 1170 × (6358)
+ 1170 × 8 yielding 9360
+ 1170 × 50 resulting in 58500
+ 1170 × 300 producing 351000
+ 1170 × 6000 what gives us 7020000

= 7438860
