200 kg of seawater contains 2 kg of salt, how much water accounts for in seawater
200千克海水中含盐2千克，水占海水的多少
<gadget id="calculator">200 - 2</gadget>
<output>198</output>

<gadget id="calculator">198 / 200</gadget>
<output>99/100 = around 0.99</output>

<result>99/100 = around 0.99</result>