Alright, let's work through 7439 times 6920 step by step
7439 × 6920 = 6920 × (7439)
+ 6920 × 9 yielding 62280
+ 6920 × 30 what gives us 207600
+ 6920 × 400 that equals 2768000
+ 6920 × 7000 yielding 48440000

= 51477880
