Xiao Dong has 35 pictures, Xiao Ming has 43 pictures, how many pictures Xiao Ming gives to Xiao Dong, they both have the same number of pictures.
小东有画片35张，小明有画片43张，小明给小东多少张画片，两人的画片一样多．
<gadget id="calculator">43 + 35</gadget>
<output>78</output>

<gadget id="calculator">78 / 2</gadget>
<output>39</output>

<gadget id="calculator">43 - 39</gadget>
<output>4</output>

<result>4</result>