A's number is 124, and its (3/4) is exactly (2/3) of B's number. What is B's number?
甲数是124，它的(3/4)正好是乙数的(2/3)，乙数是多少？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

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

<gadget id="calculator">(3/4) / (2/3)</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">124 * (9/8)</gadget>
<output>279/2 = around 139.5</output>

<result>279/2 = around 139.5</result>