There are two ropes of the same length, the first one is cut into 5 pieces on average, and the second one is cut into 9 pieces on average. Each segment cut from the first root is 10 meters longer than each segment cut from the second root. How long is each rope in meters?
有两根同样长的绳子，第一根平均剪成5段，第二根平均剪成9段．第一根剪成的每段比第二根剪成的每段长10米．原来每根绳子长多少米．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">(1/5) - (1/9)</gadget>
<output>4/45 = around 0.088889</output>

<gadget id="calculator">10 / (4/45)</gadget>
<output>225/2 = around 112.5</output>

<result>225/2 = around 112.5</result>