Alright, let's work through 7939 times 8167 step by step
7939 × 8167 = 8167 × (7939)
+ 8167 × 9 that results in 73503
+ 8167 × 30 that equals 245010
+ 8167 × 900 what gives us 7350300
+ 8167 × 7000 that is equal 57169000

= 64837813
