Put 5 grams of salt in 195 grams of water, what is the weight of the salt in the salt water?
把5克盐放入195克水中，盐的重量占盐水的多少．
<gadget id="calculator">5 + 195</gadget>
<output>200</output>

<gadget id="calculator">5 / 200</gadget>
<output>1/40 = around 0.025</output>

<result>1/40 = around 0.025</result>