(1/5) of the number A is equal to (1/6) of the number B. The number B is 10. What is the number A?
甲数的(1/5)与乙数的(1/6)相等，乙数是10，甲数是多少．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

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

<gadget id="calculator">(1/6) / (1/5)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">10 * (5/6)</gadget>
<output>25/3 = around 8.333333</output>

<result>25/3 = around 8.333333</result>