Nancy bought a pie sliced it into 8 pieces. She gave 1/2 to Joe and Darcy, and she gave 1/4 to Carl. How many slices were left?
The total number of slices she gave to Joe and Darcy is 1/2 x 8 = 
<gadget id="calculator">1/2*8</gadget>
<output>4</output>
4.
The total slice she gave to Carl is 1/4 x 8 = 
<gadget id="calculator">1/4*8</gadget>
<output>2</output>
2.
Therefore, the total slices left is 8 - 4 - 2 = 
<gadget id="calculator">8-4-2</gadget>
<output>2</output>
2.

<result>2</result>