There are 12 stamps of a certain kind, and the price of each set is 25 yuan. Today the post office sold a total of 24 sets of stamps. How much did they sell in total?
某种邮票每套12张，每套售价25元．今天邮局共卖了24套邮票，一共卖了多少钱？
<gadget id="calculator">25 * 24</gadget>
<output>600</output>

<result>600</result>