It is known that the average of the numbers A, B, and C is 368, and the number of D is 168. What is the average of the four numbers?
已知甲、乙、丙三数的平均数为368，丁数为168，四个数的平均数是多少？
<gadget id="calculator">368 * 3</gadget>
<output>1_104</output>

<gadget id="calculator">1_104 + 168</gadget>
<output>1_272</output>

<gadget id="calculator">1_272 / 4</gadget>
<output>318</output>

<result>318</result>