No problem, we've got 9979 and 1798 to multiply
9979 × 1798 = 1798 × (9979)
+ 1798 × 9 what gives us 16182
+ 1798 × 70 that results in 125860
+ 1798 × 900 what gives us 1618200
+ 1798 × 9000 resulting in 16182000

= 17942242
