(5/8) of the total campus area of Xinzhuang Primary School is open space, and (2/5) of the open space is to be paved with lawns. What fraction of the total campus area is the area covered by lawns?
新庄小学校园总面积的(5/8)是空地，空地的(2/5)准备铺草坪，铺草坪的面积占校园总面积的几分之几？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(5/8) * (2/5)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>