Alright, let's work through 7160 times 2840 step by step
7160 × 2840 = 2840 × (7160)
+ 2840 × 0 that is equal 0
+ 2840 × 60 that is equal 170400
+ 2840 × 100 that is equal 284000
+ 2840 × 7000 producing 19880000

= 20334400
