A kind of salt water is prepared by mixing salt and water in a ratio of 1:9. Now, how many grams of this salt water can be prepared with 180 grams of water?
一种盐水是盐和水按1：9的比例配制而成的，现在用180克的水，可以配制这种盐水多少克？
<gadget id="calculator">1 + 9</gadget>
<output>10</output>

<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">180 / (9/10)</gadget>
<output>200</output>

<result>200</result>