A student's average score in the first and second math test is 62 points. After the third test, the average score of the three times is 68 points. How many points did he get in the third test?
某学生第一次与第二次数学测验的平均成绩是62分，第三次测验后，三次平均成绩是68分，他第三次得多少分．
<gadget id="calculator">68 * 3</gadget>
<output>204</output>

<gadget id="calculator">62 * 2</gadget>
<output>124</output>

<gadget id="calculator">204 - 124</gadget>
<output>80</output>

<result>80</result>