road construction team builds a 2-kilometer-long highway. It repairs (5/12) kilometers in the first month and (4/9) kilometers in the second month. How much is left to be repaired?
某修路队修建一条长2千米的公路，第一个月修了(5/12)千米，第二个月修了(4/9)千米，还剩多少没有修？
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">2 - (5/12) - (4/9)</gadget>
<output>41/36 = around 1.138889</output>

<result>41/36 = around 1.138889</result>