To build a road with a length of 10 kilometers, team A has repaired (1/4) of the full length, team B has repaired (1/4) kilometers, and how many kilometers are left to be repaired.
修一条长10千米的公路，甲队修了全长的(1/4)，乙队修了(1/4)千米，还剩多少千米没修．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">10 * (1/4)</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">10 - (5/2) - (1/4)</gadget>
<output>29/4 = around 7.25</output>

<result>29/4 = around 7.25</result>