A and B jointly produce a batch of parts. A produces 30 parts per hour, and B produces 36 parts per hour. After 5 hours, all parts of this batch are produced. How many parts are there in total?
甲乙两人共同生产一批零件，甲每小时生产30个，乙每小时生产36个，5小时后，这批零件全部生产完，这批零件一共有多少个？
<gadget id="calculator">30 + 36</gadget>
<output>66</output>

<gadget id="calculator">66 * 5</gadget>
<output>330</output>

<result>330</result>