The ratio of salt to water is 2:99, how many kilograms of salt water can be prepared with 297 kilograms of water?
盐与水的比是2：99，297千克水可以配置多少千克的盐水呢？
<gadget id="calculator">2 + 99</gadget>
<output>101</output>

<gadget id="calculator">99 / 101</gadget>
<output>99/101 = around 0.980198</output>

<gadget id="calculator">297 / (99/101)</gadget>
<output>303</output>

<result>303</result>