Today, 56 sets of scenic postcards were sold, with 6 pieces in each set, and the price of each piece was 9 yuan. How much did you sell in total?
今天卖出56套风光明信片，每套6张，每张售价9元，一共卖了多少钱？
<gadget id="calculator">56 * 6</gadget>
<output>336</output>

<gadget id="calculator">9 * 336</gadget>
<output>3_024</output>

<result>3_024</result>