A triangle is surrounded by a wire with a length of 1m. The lengths of two sides of the triangle are (1/6)m and (5/12)m respectively. What is the length of the third side of the triangle? What kind of triangle is it?
用一根长1m的铁丝围了一个三角形，三角形其中两条边分别长(1/6)m和(5/12)m，三角形的第三边长是多少？它是一个什么三角形？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">(1/6) + (5/12)</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">1 - (7/12)</gadget>
<output>5/12 = around 0.416667</output>

<result>5/12 = around 0.416667</result>