Number A is 64, (2/3) of Number B is equal to (3/8) of Number A, what is the number of B?
甲数是64，乙数的(2/3)等于甲数的(3/8)，乙数是多少．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

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

<gadget id="calculator">(3/8) / (2/3)</gadget>
<output>9/16 = around 0.5625</output>

<gadget id="calculator">64 * (9/16)</gadget>
<output>36</output>

<result>36</result>