In a math test, the average score of Jingjing, Yangyang, and Huahua was 90 points. If Pingping's score is added, the average score of these four people is 92 points. How many points did Pingping score this time?
一次数学测验中，晶晶、洋洋、华华三人的平均成绩是90分，如果再加上平平的成绩，这四人的平均成绩为92分，平平这次考了多少分？
<gadget id="calculator">92 * 4</gadget>
<output>368</output>

<gadget id="calculator">90 * 3</gadget>
<output>270</output>

<gadget id="calculator">368 - 270</gadget>
<output>98</output>

<result>98</result>