No problem, we've got 7988 and 4860 to multiply
7988 × 4860 = 4860 × (7988)
+ 4860 × 8 what gives us 38880
+ 4860 × 80 what gives us 388800
+ 4860 × 900 that results in 4374000
+ 4860 × 7000 that equals 34020000

= 38821680
