There are 156 students in the fifth grade, and the number of students in the fourth grade is that of the fifth grade (12/13). How many more students are in the fifth grade than in the fourth grade?
五年级有学生156人，四年级学生人数是五年级的(12/13)，五年级比四年级多多少人？
<gadget id="calculator">12 / 13</gadget>
<output>12/13 = around 0.923077</output>

<gadget id="calculator">1 - (12/13)</gadget>
<output>1/13 = around 0.076923</output>

<gadget id="calculator">156 * (1/13)</gadget>
<output>12</output>

<result>12</result>