Buy a pencil for 1 yuan and buy a pen for 8 yuan. The price of the pen is how many times the price of the pencil.
买一支铅笔1元，买一支钢笔8元，钢笔的价钱是铅笔价钱的多少倍．
<gadget id="calculator">8 / 1</gadget>
<output>8</output>

<result>8</result>