Let $\lambda \neq 0$ be in R . If $\alpha$ and $\beta$ are the roots of the equation $\mathrm{x}^2-\mathrm{x}+2 \lambda=0$, and $\alpha$ and $\gamma$ are the roots of equation $3 x^2-10 x+27 \lambda=0$, then $\frac{\beta \gamma}{\lambda}$ is equal to $\_\_\_\_$ .