The school ordered 200 square logs, each of which is 5 meters long and has a cross-sectional area of 25 square decimeters. How many squares are there in total?
学校订购200根方木，每根方木长5米，横截面面积为25平方分米，这些木料一共有多少方？
<gadget id="calculator">0.25 * 5 * 200</gadget>
<output>250</output>

<result>250</result>