Sigma Pi

$\begin{aligned} \left(\sum_{n=1}^5 n\right)\left(\prod_{i=1}^3 i\right)\left(3^{\sum\limits_{n=1}^2 n}\right) &= \frac{5\cdot 6}{2}\cdot(1\cdot2\cdot3)\cdot3^{1+2} \\ &= 15\cdot6\cdot27 \\ &= \boxed{2430} \end{aligned}$

Also, this isn't a calculus problem.