The average of the three numbers A, B, and C is 150, the number of A is 48, and the number of B and C are the same, so what is the number of B?
甲、乙、丙三个数的平均数是150，甲数是48，乙数和丙数相同，那么乙数是多少．
<gadget id="calculator">150 * 3</gadget>
<output>450</output>

<gadget id="calculator">450 - 48</gadget>
<output>402</output>

<gadget id="calculator">402 / 2</gadget>
<output>201</output>

<result>201</result>