A triangle is formed with a wire 1 meter long. One side of the triangle is (8/25) meters long, the other side is (9/25) meters long, how many meters is the third side?
用一根长1米的铁丝围成三角形．三角形的一条边长(8/25)米，另一条边长(9/25)米，第三条边长多少米？
<gadget id="calculator">8 / 28</gadget>
<output>2/7 = around 0.285714</output>

<result>2/7 = around 0.285714</result>