Cotton clothes are 38 yuan each, and cotton trousers are 30 yuan each. Aunt Wang will buy 12 sets in total. How much will she spend in total?
棉衣每件38元，棉裤每件30元．王阿姨一共要进12套，她一共要花多少钱？
<gadget id="calculator">38 + 30</gadget>
<output>68</output>

<gadget id="calculator">68 * 12</gadget>
<output>816</output>

<result>816</result>