For greening in the community, planting turf accounts for (3/5) of the greening area, planting willows accounts for (1/10) of the greening area, and planting holly accounts for (1/4) of the greening area. What percentage of the green area is the area planted with turf, willow, and holly?
小区内进行绿化，种草皮占了绿化面积的(3/5)，种柳树占了绿化面积的(1/10)，种冬青占了绿化面积的(1/4)．种草皮、柳树、冬青的面积一共占了绿化面积的几分之几？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(3/5) + (1/10) + (1/4)</gadget>
<output>19/20 = around 0.95</output>

<result>19/20 = around 0.95</result>