A bamboo pole is inserted into the water. The length above the water is (1/2) meter, and the length under the water is (1/2) above the water surface. How long is the bamboo pole?
一根竹竿插入水中，露出水面的长度是(1/2)米，水下的长度是露出水面的(1/2)，这根竹竿长多少米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * (1/2)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) + (1/2)</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>