Put 5 grams of salt into 355 grams of water, what percentage of the weight of salt is in the salt water?
把5克盐放入355克水中，盐的重量占盐水的几分之几？
<gadget id="calculator">355 + 5</gadget>
<output>360</output>

<gadget id="calculator">5 / 360</gadget>
<output>1/72 = around 0.013889</output>

<result>1/72 = around 0.013889</result>