The ratio of salt to water in brine is 1.5:8.5. So, what is the salinity of the salt water?
盐水中盐与水的比是1.5：8.5．那么，盐水的含盐率是多少．
<gadget id="calculator">1.5 + 8.5</gadget>
<output>10</output>

<gadget id="calculator">1.5 / 10</gadget>
<output>0.15</output>

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

<gadget id="calculator">0.15 * 1</gadget>
<output>0.15</output>

<result>0.15</result>