The store sells 18 boxes of oranges, each weighing 25 kilograms, and the price is 4 yuan per kilogram. How much is the store’s income?
商店卖出18箱橘子，每箱重25千克，每千克4元，商店收入多少元？
<gadget id="calculator">18 * 25 * 4</gadget>
<output>1_800</output>

<result>1_800</result>