No problem, we've got 7739 and 6920 to multiply
7739 × 6920 = 6920 × (7739)
+ 6920 × 9 that results in 62280
+ 6920 × 30 resulting in 207600
+ 6920 × 700 giving us 4844000
+ 6920 × 7000 which equals 48440000

= 53553880
