No problem, we've got 7900 and 8342 to multiply
7900 × 8342 = 8342 × (7900)
+ 8342 × 0 what gives us 0
+ 8342 × 00 resulting in 0
+ 8342 × 900 what gives us 7507800
+ 8342 × 7000 that results in 58394000

= 65901800
