No problem, we've got 5087 and 7877 to multiply
5087 × 7877 = 7877 × (5087)
+ 7877 × 7 resulting in 55139
+ 7877 × 80 that equals 630160
+ 7877 × 000 that results in 0
+ 7877 × 5000 giving us 39385000

= 40070299
