There are 42 students in a class who are going on an outing. They plan to buy mineral water at 2.00 yuan per person and food at 5.00 yuan per person. How much will the whole class spend on these two things?
某班同学有42人要去郊游，计划买矿泉水每人2.00元，买食品每人5.00元，买这两样东西，全班要花走多少钱？
<gadget id="calculator">2 + 5</gadget>
<output>7</output>

<gadget id="calculator">7 * 42</gadget>
<output>294</output>

<result>294</result>