$\left. \begin{array} { r } { \bigcirc + \bigcirc + \bigcirc = 18 } \\ { \triangle + \bigcirc = 10 } \end{array} \right\} \rightarrow \left\{ \begin{array} { r } { \triangle = ( ) } \\ { \bigcirc = ( ) } \end{array} \right.$

$\triangle = 4$，$\bigcirc = 6$