136. The square root of half the bee swarm flew to a jasmine bush. Eight ninths of the swarm stayed at home. One bee flew after the male, worried by his buzzing in a lotus flower, where he had ended up at night, attracted by the pleasant fragrance, and cannot get out as the flower has closed. Tell me the number of bees in the swarm.
136. Bhaskara's Solution. Let the number of bees in the swarm be $2 x^{2}$. Then the square root of half this number is $x$, and $\frac{8}{9}$ of the entire swarm equals $\frac{16}{9} x^{2}$, therefore,

$$
\begin{aligned}
2 x^{2} & =x+\frac{16}{9} x^{2}+2 \\
2 x^{2}-9 x & =18 ; x=6 \text { and } 2 x^{2}=72
\end{aligned}
$$