Xiaoming has 3.7 yuan and Xiaohua has 4.5 yuan. They combine the money to buy pens with a unit price of 4.1 yuan. How many pens can they buy?
小明有3.7元，小华有4.5元，他们把钱合起来买单价为4.1元的钢笔，可以买几支？
<gadget id="calculator">3.7 + 4.5</gadget>
<output>8.2</output>

<gadget id="calculator">8.2 / 4.1</gadget>
<output>2</output>

<result>2</result>