Dissolve 40 grams of salt in 360 grams of water, what is the salt content at this time?
把40克盐溶入在360克的水中，这时含盐率是多少．
<gadget id="calculator">40 + 360</gadget>
<output>400</output>

<gadget id="calculator">40 / 400</gadget>
<output>1/10 = around 0.1</output>

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

<gadget id="calculator">(1/10) * 1</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>