Put 10 grams of salt into 90 grams of water, what is the weight of the salt in the weight of the salt water?
把10克盐放入90克水中，盐的重量占盐水重量的多少
<gadget id="calculator">10 + 90</gadget>
<output>100</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>