Answer
$1800$
Work Step by Step
The sum of the first $n$ terms of an arithmetic sequence can be obtained by the formula $S_n=(2a_1+(n-1)d)\frac{n}{2}$ where $a_1$ is the first term and $d$ is the common difference.
Hence here: $S_{30}=(2\cdot2+(30-1)4)\frac{30}{2}=(120)15=1800$
