(7/10) divided by a number, the quotient is 2, what is the number.
(7/10)除以一个数，商是2，这个数是多少．
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">(7/10) / 2</gadget>
<output>7/20 = around 0.35</output>

<result>7/20 = around 0.35</result>