Fold a piece of paper with a thickness of 0.1 mm in half, fold it in half again, and fold it in half like this 5 times, what is the thickness of the paper in mm?
把0.1毫米厚的纸对折，再对折，这样对折5次，这张纸有多少毫米厚．
<gadget id="calculator">0.1 * 2 * 2 * 2 * 2 * 2</gadget>
<output>3.2</output>

<result>3.2</result>