Put 12 grams of salt into 60 grams of water to make brine, how much salt accounts for the brine (fill in the fraction).
把12克盐放入60克水中制成盐水，盐占盐水的多少(填分数)．
<gadget id="calculator">12 + 60</gadget>
<output>72</output>

<gadget id="calculator">12 / 72</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>