$$\left. \begin{array} { l } { x \cdot D 12.5.15.6 } \\ { 11.5 11.5 12.5.15.6 } \end{array} \right.$$
$$11.5*De*e^5*IM*t^2*r^2*m*n*h*a^2*v*g*o*f$$