No problem, we've got 7972 and 9798 to multiply
7972 × 9798 = 9798 × (7972)
+ 9798 × 2 giving us 19596
+ 9798 × 70 which equals 685860
+ 9798 × 900 which equals 8818200
+ 9798 × 7000 that results in 68586000

= 78109656
