Wang Xiaojun bought 1 exercise book and 5 pencils, and Li Xiaoming bought 8 of the same pencils. They both spent the same amount of money. The price of 1 exercise book is equivalent to the price of how many pencils.
王晓军买了1本练习本和5支铅笔，李小明买了8支同样的铅笔，两人用去的钱同样多．1本练习本的价钱相当于多少支铅笔的价钱．
<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<result>3</result>