%  \tempA=2,5^2
  \SQUARE{2.5}{\tempA}
%  \tempB=sqrt(12)
  \SQUAREROOT{12}{\tempB}
% \tempC=exp(3,4)
  \EXP{3.4}{\tempC}
%  \divisio=\tempA/tempB
  \DIVIDE{\tempA}{\tempB}{\divisio}
% \sol=\divisio+\tempC
  \ADD{\divisio}{\tempC}{\sol}
\begin{align*}
\frac{2.5^2}{\sqrt{12}}+\mathrm{e}^{3.4}
      &= \frac{\tempA}{\tempB}+\tempC \\
      &= \divisio+\tempC \\
      &=\sol
\end{align*}