A ball is dropped from a height of 16 meters, and it bounces back to half of its original height each time it hits the ground. When the ball hits the ground for the fifth time, how many meters has it traveled?
一个皮球从16米的高处落下，每次着地后能反弹到原高度的一半再落下，当这个皮球第五次着地时，共经过了多少米．
<gadget id="calculator">16 / 2</gadget>
<output>8</output>

<gadget id="calculator">16 / 2 / 2</gadget>
<output>4</output>

<gadget id="calculator">16 / 2 / 2 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">16 + 8 + 8 + 4 + 4 + 2 + 2 + 1 + 1</gadget>
<output>46</output>

<result>46</result>