The school surrounds a rectangular flower bed with a fence. The flower bed is 35 meters wide and twice as long as it is wide. How many meters is the fence in total?
学校在长方形花坛的周围围上篱笆，花坛宽35米，长是宽的两倍，篱笆一共长多少米？
<gadget id="calculator">35 * 2</gadget>
<output>70</output>

<gadget id="calculator">70 + 35</gadget>
<output>105</output>

<gadget id="calculator">105 * 2</gadget>
<output>210</output>

<result>210</result>