A bottle of medicinal salt water contains 500 grams, and the salt content is 12%. How many grams of salt are in the bottle of salt water?
一瓶药用盐水有500克，含盐率是12%．这瓶盐水里含有多少克盐．
<gadget id="calculator">12 / 100</gadget>
<output>3/25 = around 0.12</output>

<gadget id="calculator">500 * (3/25)</gadget>
<output>60</output>

<result>60</result>