No problem, we've got 7979 and 7641 to multiply
7979 × 7641 = 7641 × (7979)
+ 7641 × 9 which equals 68769
+ 7641 × 70 what gives us 534870
+ 7641 × 900 giving us 6876900
+ 7641 × 7000 resulting in 53487000

= 60967539
