A pair of Go is 24 yuan, a pair of chess is 18 yuan, and 300 yuan can buy a total of 14 pairs of two kinds of chess pieces. How many pairs of chess are there?
围棋24元一副，象棋18元一副，用300元恰好可以购买两种棋子共14副，其中象棋有多少副．
<gadget id="calculator">24 * 14</gadget>
<output>336</output>

<gadget id="calculator">336 - 300</gadget>
<output>36</output>

<gadget id="calculator">24 - 18</gadget>
<output>6</output>

<gadget id="calculator">36 / 6</gadget>
<output>6</output>

<result>6</result>