The price of a pen is 5 times the price of a ballpoint pen. How many pens can you buy for the price of 30 ballpoint pens?
一支钢笔的价钱是一支圆珠笔价钱的5倍，买30支圆珠笔的价钱能买多少支钢笔．
<gadget id="calculator">30 / 5</gadget>
<output>6</output>

<result>6</result>