\magnification=\magstep2



$$
   a \qquad = \quad \left ( {\rm stuff\ } \right ) m_w  
                \quad + \quad \left ( {\rm other\ stuff\ } \right )
$$


$$
   \mu \qquad = \quad { { \left ( {\rm stuff\ } - {\rm \ more\ stuff\ } \right ) }
                        \over
                        { \left ( {\rm stuff\ on\ the\ bottom\ } \right ) } }
$$


\bye
