Zhang Xue spent (5/6) hours doing Chinese homework, which was (1/6) more hours than doing math homework. How much time did she spend doing math homework?
张雪做语文作业用了(5/6)小时，比做数学作业多用了(1/6)小时，做数学作业用了多少时间？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(5/6) - (1/6)</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>