A new batch of bananas and oranges has been imported into Xinxin Supermarket. It is known that the weight of bananas is three times that of oranges. Every day, 3 kilograms of oranges and 5 kilograms of bananas are sold. When all the oranges are sold out, there are still 24 kilograms of bananas left. Question: How many kilograms of bananas come in from the supermarket?
新新超市新进一批香蕉和桔子，已知香蕉的重量是桔子的3倍，每天卖出桔子3千克，香蕉5千克，最后桔子全部卖光时，香蕉还剩下24千克．问：超市进来香蕉多少千克？
<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<gadget id="calculator">9 - 5</gadget>
<output>4</output>

<gadget id="calculator">24 / 4</gadget>
<output>6</output>

<gadget id="calculator">3 * 3 * 6</gadget>
<output>54</output>

<result>54</result>