Two sides of a triangle are (2/8) meters, and the third side is (3/8) meters. What is the perimeter of the triangle in meters?
一个三角形的两条边都是(2/8)米，第三条边是(3/8)米，这个三角形的周长是多少米？
<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(1/4) + (1/4) + (3/8)</gadget>
<output>7/8 = around 0.875</output>

<result>7/8 = around 0.875</result>