What is the salt content of brine made from 5 g of salt and 45 g of water?
用5克盐和45克水制成盐水，这种盐水的含盐率是多少．
<gadget id="calculator">5 + 45</gadget>
<output>50</output>

<gadget id="calculator">5 / 50</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>