7356-(356+4869)=How much, this calculation is easier.
7356-(356+4869)=多少，这样计算更简便．
<gadget id="calculator">356 + 4_869</gadget>
<output>5_225</output>

<gadget id="calculator">7_356 - 5_225</gadget>
<output>2_131</output>

<result>2_131</result>