In a math test, A’s wrong answers accounted for 1/4 of the total number of questions, B’s 3 wrong answers accounted for 1/6 of the total number of questions, and both A and B answered correctly How many are there?
一次数学测试，甲答错的题占总数的(1/4)，乙答错了3道题，两个人都答错的题目占总题数的(1/6)，甲、乙都答对的有几道？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">12 * (1/4)</gadget>
<output>3</output>

<gadget id="calculator">12 - 3 - 3</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">12 * (1/6)</gadget>
<output>2</output>

<gadget id="calculator">6 + 2</gadget>
<output>8</output>

<result>8</result>