5 kg of salt is poured into 25 kg of water, what is the percentage of salt in the brine
5千克盐倒入25千克水中，盐占盐水的多少
<gadget id="calculator">5 + 25</gadget>
<output>30</output>

<gadget id="calculator">5 / 30</gadget>
<output>1/6 = around 0.166667</output>

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