Alright, let's work through 6939 times 7455 step by step
6939 × 7455 = 7455 × (6939)
+ 7455 × 9 producing 67095
+ 7455 × 30 resulting in 223650
+ 7455 × 900 that is equal 6709500
+ 7455 × 6000 that results in 44730000

= 51730245
