A kind of salt water, the ratio of salt to water is 1:99, what is the salt content of this salt water
一种盐水，盐与水的比是1：99，这种盐水的含盐率是多少
<gadget id="calculator">1 + 99</gadget>
<output>100</output>

<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

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

<gadget id="calculator">(1/100) * 1</gadget>
<output>1/100 = around 0.01</output>

<result>1/100 = around 0.01</result>