Xiao Ming starts from the foot of the mountain to the top of the mountain, the road that has not been taken is already traveled (1/3), Xiao Liang starts from the top of the mountain to the foot of the mountain, the road that has not been taken is already walked (3/5), the distance that both of them have traveled How much is the whole process.
小明从山脚向山顶出发，未走的路是已走的(1/3)，小亮从山顶向山脚出发，未走的路是已走的(3/5)，两人都走过的路程是全程的多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + (1/3)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">1 / (4/3)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 + (3/5)</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">1 / (8/5)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(5/8) - 1</gadget>
<output>-3/8 = around -0.375</output>

<gadget id="calculator">(3/4) + (-3/8)</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>