If 1/6 of the number of students in class 61 is transferred to class 65, the number of students in the two classes will be the same. How much is the number of students in class 65 originally compared to class 61?
六1班学生人数的(1/6)转到六5班，两班人数就一样多，原来六5班人数是六1班的多少
<gadget id="calculator">4 / 6</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>