Calculation: (919+178-567)/(919-667+278)
计算：(919+178-567)/(919-667+278)
<gadget id="calculator">178 - 567</gadget>
<output>-389</output>

<gadget id="calculator">919 + (-389)</gadget>
<output>530</output>

<gadget id="calculator">919 - 667</gadget>
<output>252</output>

<gadget id="calculator">252 + 278</gadget>
<output>530</output>

<gadget id="calculator">530 / 530</gadget>
<output>1</output>

<result>1</result>