Classes A and B buy the same color pen. The 47 people in class A pay 16.45 yuan in total, and the class B pays 14.70 yuan in total. How many more people in class A than in class B?
甲、乙两班买同一种彩笔，甲班47人共付16.45元，乙班共付了14.70元，甲班比乙班多多少人．
<gadget id="calculator">16.45 / 47</gadget>
<output>0.35</output>

<gadget id="calculator">14.7 / 0.35</gadget>
<output>42</output>

<gadget id="calculator">47 - 42</gadget>
<output>5</output>

<result>5</result>