There are 144 students in the fifth grade, 6 fewer than the sixth grade (5/6). How many people are in the sixth grade?
五年级有144人，比六年级的(5/6)少6人．六年级有多少人？
<gadget id="calculator">144 + 6</gadget>
<output>150</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">150 / (5/6)</gadget>
<output>180</output>

<result>180</result>