What is the salt content of brine obtained by dissolving 4 grams of salt in 46 grams of water?
将4克盐溶解在46克水中，所得盐水的含盐率是多少．
<gadget id="calculator">4 + 46</gadget>
<output>50</output>

<gadget id="calculator">4 / 50</gadget>
<output>2/25 = around 0.08</output>

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

<gadget id="calculator">(2/25) * 1</gadget>
<output>2/25 = around 0.08</output>

<result>2/25 = around 0.08</result>