There are less than 50 students in bilingual Class 6 Class 1. In an exam, (1/7) students get A, (1/3) students get B, (1/2) students get C, and the rest are all It is D, how many people in this class are A?
双语六1班学生不到50人，在一次考试中，有(1/7)的学生是A，有(1/3)的学生是B，有(1/2)的学生是C，其余都是D，这个班有多少人是A？
<gadget id="calculator">7 * 3 * 2</gadget>
<output>42</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">42 * (1/7)</gadget>
<output>6</output>

<result>6</result>