$\left[\begin{array}{ll}{[\text { Ratio of volumes }}\end{array}\right]$

On the edges $B C, C D$ and $A D$ of the tetrahedron $A B C D$ with volume $V$, points $L, M$ and $N$ are taken respectively, such that $3 B L=B C$, $4 C M=C D$ and $5 D N=A D$. Find the volume of the tetrahedron $N M L B$.