The existing salt content is 450 grams of 8% brine, how do you make it into 10% brine? (write at least two methods)
现有含盐率是8%的盐水450克，你有什么方法使它变成含盐率为10%的盐水？(至少写出两种方法)
<gadget id="calculator">8 / 100</gadget>
<output>2/25 = around 0.08</output>

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

<gadget id="calculator">(2/25) / (1/10)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">450 * (4/5)</gadget>
<output>360</output>

<gadget id="calculator">450 - 360</gadget>
<output>90</output>

<result>90</result>