A parallelogram, the lengths of two adjacent sides are 30 cm and 60 cm respectively, and the height is 50 cm, what is the area of this parallelogram in square meters?
一个平行四边形，相邻的两条边长分别是30厘米和60厘米，高是50厘米，这个平行四边形的面积是多少平方米？
<gadget id="calculator">50 / 10_000</gadget>
<output>1/200 = around 0.005</output>

<gadget id="calculator">30 * (1/200)</gadget>
<output>3/20 = around 0.15</output>

<result>3/20 = around 0.15</result>