The average of the three numbers A, B, and C is 38, A: B = 2: 3, B: C = 2: 3, what is the number of B?
甲、乙、丙三个数的平均数是38，甲：乙=2：3，乙：丙=2：3，则乙数是多少．
<gadget id="calculator">38 * 3</gadget>
<output>114</output>

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

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">1 + (2/3) + (3/2)</gadget>
<output>19/6 = around 3.166667</output>

<gadget id="calculator">114 / (19/6)</gadget>
<output>36</output>

<result>36</result>