Math Problem Solver

$$3 e + 4 e = 7 e \approx 19.02797279921331664752201229946864$$

$$\begin{aligned}3 e + 4 e&=3 \cdot e + 4 \cdot e\\&=7 \cdot e\end{aligned}$$

$e$ is Euler's number, a mathematical constant that is approximately $2.71828$.