The moisture content of grass is about 75%. After the grass is dried, the mass lost is about the mass of the grass.
青草的含水率约为75%，待青草晒干后，失去的质量约为青草质量的多少．
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) / 1</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>