There are two wooden sticks. The first wooden stick is (1/5) longer than the second wooden stick. It is known that the first wooden stick is (6/7) meters long. How much longer is the second wooden stick?
有两根木条，甲木头比乙木条长(1/5)，已知甲木条长(6/7)米，比乙木条长多少米？
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(6/7) / (6/5)</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">(5/7) * (1/5)</gadget>
<output>1/7 = around 0.142857</output>

<result>1/7 = around 0.142857</result>