Mr. Wang spent a total of 414 yuan to buy 18 basketballs. With this money, he can buy 46 skipping ropes. How much is a basketball more expensive than a skipping rope?
王老师买18个篮球共花去414元，用这些钱可以买46根跳绳，一个篮球比一根跳绳贵多少钱？
<gadget id="calculator">414 / 18</gadget>
<output>23</output>

<gadget id="calculator">414 / 46</gadget>
<output>9</output>

<gadget id="calculator">23 - 9</gadget>
<output>14</output>

<result>14</result>