No problem, we've got 3937 and 7828 to multiply
3937 × 7828 = 7828 × (3937)
+ 7828 × 7 which equals 54796
+ 7828 × 30 what gives us 234840
+ 7828 × 900 which equals 7045200
+ 7828 × 3000 giving us 23484000

= 30818836
