(2/3) of A's number is 60, find A's number. What is the column
甲数的(2/3)是60，求甲数．列式是多少
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">60 / (2/3)</gadget>
<output>90</output>

<result>90</result>