The sum of the area of the fish pond and the shrimp pond is 720m**2, and the area of the fish pond is (3/5) that of the shrimp pond. How big is the area of the shrimp pond?
鱼池与虾池的面积和是720m**2，鱼池的面积是虾池的(3/5)，虾池的面积有多大？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 + (3/5)</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">720 / (8/5)</gadget>
<output>450</output>

<result>450</result>