The ratio of the number A to the number B is 3:2, and the number A accounts for the sum of the numbers A and B.
甲数与乙数的比是3：2，甲数占甲、乙两数和的多少．
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(3/5) * 1</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>