\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
\(\begin{aligned}[t]\textcolor{colordef}{3}+\textcolor{colorprop}{8}&=\textcolor{colordef}{3}+\textcolor{colorprop}{7}+\textcolor{colorprop}{1}\\&=\input{127442}{}{3em}{2em}{}{}\\\end{aligned}\)