Alright, let's work through 7109 times 570 step by step
7109 × 570 = 570 × (7109)
+ 570 × 9 that equals 5130
+ 570 × 00 that equals 0
+ 570 × 100 resulting in 57000
+ 570 × 7000 what gives us 3990000

= 4052130
