Divide 30 into two numbers A and B according to 3:2, the number B is less than the number A ((())/(())).
把30按3：2分成甲、乙两个数，乙数比甲数少((())/(()))．
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

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

<gadget id="calculator">30 * (3/5)</gadget>
<output>18</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">30 * (2/5)</gadget>
<output>12</output>

<gadget id="calculator">18 - 12</gadget>
<output>6</output>

<gadget id="calculator">6 / 18</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>