Xiao Ming has 72 pieces of candy, and Xiao Gang has 32 pieces of candy. Ask Xiao Ming how many pieces of candy to give Xiao Gang to make the sugar of the two equal.
小明有72块糖，小刚有32块糖，问小明给小刚多少块糖，才能使两人的糖相等．
<gadget id="calculator">72 + 32</gadget>
<output>104</output>

<gadget id="calculator">104 / 2</gadget>
<output>52</output>

<gadget id="calculator">52 - 32</gadget>
<output>20</output>

<result>20</result>