No problem, we've got 7785 and 1988 to multiply
7785 × 1988 = 1988 × (7785)
+ 1988 × 5 what gives us 9940
+ 1988 × 80 producing 159040
+ 1988 × 700 that equals 1391600
+ 1988 × 7000 that results in 13916000

= 15476580
