The product of A and B is (2/3), A's number is (1/3), and B's number is.
甲、乙两数的积是(2/3)，甲数是(1/3)，乙数是多少．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(2/3) / (1/3)</gadget>
<output>2</output>

<result>2</result>