The road construction team builds a 10-kilometer road. The full length (1/5) was repaired on the first day, and (3/2) meters were repaired on the second day. How many kilometers are left to be repaired?
筑路队修一条10千米的公路．第一天修了全长的(1/5)，第二天修了(3/2)米，还有多少千米没有修？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">10 * (1/5)</gadget>
<output>2</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">10 - 2 - (3/2)</gadget>
<output>13/2 = around 6.5</output>

<result>13/2 = around 6.5</result>