Kim has 4 dozen shirts.  She lets her sister have 1/3 of them.  How many shirts does she have left?
She had 4*12=
<gadget id="calculator">4*12</gadget>
<output>48</output>
48 shirts to start with.
She gives away 48/3=
<gadget id="calculator">48/3</gadget>
<output>16</output>
16.
So she has 48-16=
<gadget id="calculator">48-16</gadget>
<output>32</output>
32 left.

<result>32</result>