No problem, we've got 7791 and 7822 to multiply
7791 × 7822 = 7822 × (7791)
+ 7822 × 1 what gives us 7822
+ 7822 × 90 producing 703980
+ 7822 × 700 giving us 5475400
+ 7822 × 7000 what gives us 54754000

= 60941202
