Grandma Zhang walked around a rectangular pool for 408 meters. It is known that the length of the pool is 160 meters. How many meters is the width of the pool?
张奶奶沿一个长方形水池走了1周，走了408米，已知水池的长是160米，求水池的宽是多少米？
<gadget id="calculator">408 / 2</gadget>
<output>204</output>

<gadget id="calculator">204 - 160</gadget>
<output>44</output>

<result>44</result>