The quality of hay obtained after drying the grass is the original quality (3/5), and the existing grass is 250kg. How many kilograms of hay can be obtained after drying?
青草晒干后得到的干草质量是原质量的(3/5)，现有青草250kg．晒干后能得到干草多少千克？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">250 * (3/5)</gadget>
<output>150</output>

<result>150</result>