There are 12 postcards in each set, and each set costs 14 yuan. The post office sold 56 sets today. How much did you sell in total?
每套明信片12张，每套14元，邮局今天卖出56套，一共卖了多少元？
<gadget id="calculator">14 * 56</gadget>
<output>784</output>

<result>784</result>