if the perimeter of a rectangular garden is 600 m, its length when its breadth is 120 m is?  Choose the correct answer:
A) 286 m  B) 180 m  C) 200 m  D) 166 m  E) 187 m
<gadget id="calculator">600 / 2</gadget>
<output>300</output>

<gadget id="calculator">300 - 120</gadget>
<output>180</output>

<result>B</result>
if the perimeter of a rectangular garden is 600 m, its length when its breadth is 120 m is?
subtract(divide(600, const_2), 120)
"2 ( l + 120 ) = 600 = > l = 180 m answer : b"