A furniture factory orders 200 pieces of cuboid wood, each of which has a cross-sectional area of 25 square decimeters and a length of 3.5 meters. What is the total volume of these logs in cubic decimeters?
某家具厂订购200根长方体木材，每根木材横截面的面积是25平方分米，长3.5米．这些木料的体积一共是多少立方分米？
<gadget id="calculator">3.5 * 10</gadget>
<output>35</output>

<gadget id="calculator">25 * 35 * 200</gadget>
<output>175_000</output>

<result>175_000</result>