A cuboid has a width of 8 cm, a surface area of 36 square cm and a volume of 72 cubic cm?

A cuboid has a width of 8 cm, a surface area of 36 square cm and a volume of 72 cubic cm?

Let the length be a and the height be B
2*a*b+2*8*a+2*8*b=36
8*a*b=72
ab+8a+8b=18
a*b=9
8(a+b)=9
There is no answer