Put 1/4 of 200 kilograms of table salt into 400 kilograms of water, how much salt accounts for the weight of water
把200千克食盐的(1/4)放入400千克的水中，盐占水重量的多少
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">200 * (1/4)</gadget>
<output>50</output>

<gadget id="calculator">50 + 400</gadget>
<output>450</output>

<gadget id="calculator">50 / 450</gadget>
<output>1/9 = around 0.111111</output>

<result>1/9 = around 0.111111</result>