Xiaohong cuts a circular piece of paper with a circumference of 12.56 decimeters into two semicircles. What is the circumference of each semicircle in decimeters?
小红把一个周长为12.56分米的圆形纸片，剪成两个半圆，每个半圆的周长是多少分米．
<gadget id="calculator">12.56 / 2</gadget>
<output>6.28</output>

<gadget id="calculator">12.56 / 3.14</gadget>
<output>4</output>

<gadget id="calculator">6.28 + 4</gadget>
<output>10.28</output>

<result>10.28</result>