The two numbers A and B are not 0, and (2/3) of A is equal to (3/5) of B. What is the ratio of A to B?
甲、乙两数不为0，甲数的(2/3)等于乙数的(3/5)，甲数与乙数的比值是多少？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(3/5) / (2/3)</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>