Xiaohua and Xiaohong have a total of 80 pictures. If Xiaohong gives Xiaohua 20 and Xiaohua gives Xiaohong another 12, they both have the same number of pictures. It turns out how many pictures Xiaohong has.
小华和小红共有画片80张，如果小红给小华20张，小华再给小红12张，两人的画片就一样多．原来小红有多少张画片．
<gadget id="calculator">80 / 2</gadget>
<output>40</output>

<gadget id="calculator">20 - 12</gadget>
<output>8</output>

<gadget id="calculator">40 + 8</gadget>
<output>48</output>

<result>48</result>