Put 5 grams of salt into 40 grams of brine with a salt content of 10%, what is the current salt content of the brine?
将5克盐放入40克含盐率是10%的盐水中，现在的盐水的含盐率是多少．
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">40 * (1/10)</gadget>
<output>4</output>

<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">40 + 5</gadget>
<output>45</output>

<gadget id="calculator">9 / 45</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">(1/5) * 1</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>