The price of a washing machine is 816 yuan. A certain shopping mall sold 18 washing machines in the morning and 27 washing machines in the afternoon. How much is the turnover of this shopping mall on this day?
一台洗衣机的价格是816元，某商场有一天上午卖出18台，下午卖出27台，这个商场这一天的营业额是多少元？
<gadget id="calculator">18 + 27</gadget>
<output>45</output>

<gadget id="calculator">45 * 816</gadget>
<output>36_720</output>

<result>36_720</result>