The total length of the two ropes is 152 decimeters. If A rope increases its (1/3) while B decreases its 20%, so that the two ropes are the same length, what is the original length of A rope?
两根绳子共长152分米，如果甲绳子增加它的(1/3)，同时乙绳子减少它的20%，这样两根绳子就一样长，甲绳子原来长多少分米．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">152 * (1/5)</gadget>
<output>152/5 = around 30.4</output>

<gadget id="calculator">152 - (152/5)</gadget>
<output>608/5 = around 121.6</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 + (1/3) + (4/5)</gadget>
<output>32/15 = around 2.133333</output>

<gadget id="calculator">(608/5) / (32/15)</gadget>
<output>57</output>

<result>57</result>