Mom bought 2 catties of cucumbers and 6 catties of green vegetables, and paid a total of 24 yuan. The price of a catty of cucumbers is three times that of a catty of green vegetables. How much is a catty of cucumbers.
妈妈买来2斤黄瓜和6斤青菜，共付了24元．一斤黄瓜的价钱是一斤青菜的3倍．一斤黄瓜多少元．
<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">2 + 18</gadget>
<output>20</output>

<gadget id="calculator">24 / 20</gadget>
<output>6/5 = around 1.2</output>

<result>6/5 = around 1.2</result>