There is a piece of ice that loses half of its original weight every hour. After 8 hours, its weight is (1/4) kilogram. What is the original weight of this piece of ice in kilograms?
有一块冰，每小时都失去它原来重量的一半，8个小时后，它的重量是(1/4)千克，原来这块冰的重量是多少千克．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2</gadget>
<output>64</output>

<result>64</result>