Xiaohua had lunch at school at noon last week and paid 8 yuan for each meal. How much did he pay to the school cafeteria last week?
小华上周中午在学校午餐，每餐交费8元钱，他上周交给学校食堂多少元．
<gadget id="calculator">8 * 5</gadget>
<output>40</output>

<result>40</result>