fruit shop buys 54 baskets of oranges at a price of 2 yuan per kilogram, each weighing 30 kilograms, and sells them all at a price of 2.4 yuan per kilogram. How much money can it make?
水果店用每千克2元的价钱买来54筐桔子，每筐重30千克，以每千克2.4元的价钱全部卖出，可以赚多少钱？
<gadget id="calculator">2.4 - 2</gadget>
<output>0.4</output>

<gadget id="calculator">30 * 54</gadget>
<output>1_620</output>

<gadget id="calculator">0.4 * 1_620</gadget>
<output>648</output>

<result>648</result>