Tomatoes are grown in a rectangular vegetable plot with a length of 25 meters and a width of 20 meters, and the average yield of tomatoes per square meter is 5 kg. How many kilograms of tomatoes are harvested in this vegetable plot?
在长25米、宽20米的长方形菜地中种西红柿，平均每平方米收西红柿5千克．这个菜地共收多少千克西红柿？
<gadget id="calculator">25 * 20 * 5</gadget>
<output>2_500</output>

<result>2_500</result>