There are 3 bamboo poles with a length of 360 cm. When these 3 bamboo poles are put into the water, bamboo pole A is exposed (1/4), bamboo pole B is exposed (4/7), and bamboo pole C is exposed (2/5). How deep is the water?
有3根竹竿长360CM，把这3根竹竿放入水中，甲竹竿露出了(1/4)，乙竹竿露出了(4/7)，丙竹竿露出了(2/5)．水深多少？
<gadget id="calculator">1 * 3</gadget>
<output>3</output>

<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">7 - 4</gadget>
<output>3</output>

<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">5 - 2</gadget>
<output>3</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 + (1/3) + (4/3) + (2/3)</gadget>
<output>16/3 = around 5.333333</output>

<gadget id="calculator">360 / (16/3)</gadget>
<output>135/2 = around 67.5</output>

<result>135/2 = around 67.5</result>