4.5 times the number A is equal to 3 times the number B, the number A is 3.6, what is the number B.
甲数的4.5倍等于乙数的3倍，甲数是3.6，乙数是多少．
<gadget id="calculator">4.5 / 3</gadget>
<output>1.5</output>

<gadget id="calculator">3.6 * 1.5</gadget>
<output>5.4</output>

<result>5.4</result>