If 8 grams of salt is put into 72 grams of water, what is the percentage of salt in the salt water?
8克盐放入72克水中，那么盐占盐水的多少．
<gadget id="calculator">8 + 72</gadget>
<output>80</output>

<gadget id="calculator">8 / 80</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(1/10) * 1</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>