If the ratio of number A to number B is 3:2, and number A is 6, what is the number B?
如果甲数与乙数的比是3：2，甲数是6，那么乙数是多少．
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">6 / (3/2)</gadget>
<output>4</output>

<result>4</result>