The park in the middle of the street covers an area of (5/8) hectares, of which flower gardens account for (1/5), lawns account for (7/10), and the rest are sidewalks. What is the area of the sidewalk in hectares?
街心公园占地(5/8)公顷，其中花圃占(1/5)，草坪占(7/10)，其余的是人行道．人行道的面积是多少公顷？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(5/8) * (1/5)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">(5/8) * (7/10)</gadget>
<output>7/16 = around 0.4375</output>

<gadget id="calculator">(5/8) - (1/8) - (7/16)</gadget>
<output>1/16 = around 0.0625</output>

<result>1/16 = around 0.0625</result>