A piece of hard paper is 0.1 cm thick. Fold it in half, fold it in half again, and fold it in half again. Fold it three times in total. How many centimeters is the total thickness of the folded paper now?
一张硬纸厚0.1厘米，把它对折，再对折，再对折，共折三次，现在折后的纸共厚多少厘米？
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">8 * 0.1</gadget>
<output>0.8</output>

<result>0.8</result>