No problem, we've got 1798 and 9877 to multiply
1798 × 9877 = 9877 × (1798)
+ 9877 × 8 that results in 79016
+ 9877 × 90 giving us 888930
+ 9877 × 700 what gives us 6913900
+ 9877 × 1000 yielding 9877000

= 17758846
