Alright, let's work through 7937 times 7800 step by step
7937 × 7800 = 7800 × (7937)
+ 7800 × 7 that equals 54600
+ 7800 × 30 giving us 234000
+ 7800 × 900 that is equal 7020000
+ 7800 × 7000 what gives us 54600000

= 61908600
