A ballpoint pen is 2 yuan, and the price of a fountain pen is 5 times that of a ballpoint pen. How much is the price of a fountain pen?
一支圆珠笔2元，一支钢笔的价格是圆珠笔的5倍，一支钢笔的价格是多少元？
<gadget id="calculator">2 * 5</gadget>
<output>10</output>

<result>10</result>