No problem, we've got 7842 and 8355 to multiply
7842 × 8355 = 8355 × (7842)
+ 8355 × 2 giving us 16710
+ 8355 × 40 that results in 334200
+ 8355 × 800 which equals 6684000
+ 8355 × 7000 that equals 58485000

= 65519910
