Xiaohua has gone through many tests this semester. If the test score is 98 points this time, the average score is 90 points; if the test score is 86 points, the average score is 88 points; this is the first test.
小华在这学期已经历过多次检测，如果这次考98分，则平均分为90分；如果这次考86分，则平均分为88分；这次是第多少次检测．
<gadget id="calculator">98 - 86</gadget>
<output>12</output>

<gadget id="calculator">90 - 88</gadget>
<output>2</output>

<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<result>6</result>