To greet the New Year's Day, 56 colored flags were planted around the square playground of the school, one on each of the four corners, and how many colored flags were inserted on each side.
迎接元旦，学校正方形操场四周插了56面彩旗，四个角上各插了1面，每边插了多少面彩旗．
<gadget id="calculator">56 / 4</gadget>
<output>14</output>

<gadget id="calculator">14 + 1</gadget>
<output>15</output>

<result>15</result>