120 kg of grass is needed to dry 24 kg of hay, what is the moisture content of the grass?
晒24千克干草需要120千克青草，青草的含水率是多少．
<gadget id="calculator">120 - 24</gadget>
<output>96</output>

<gadget id="calculator">96 / 120</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(4/5) * 1</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>