Calculate how much 12345+32345-2345-22345=.
计算12345+32345-2345-22345=多少．
<gadget id="calculator">32_345 - 2_345 - 22_345</gadget>
<output>7_655</output>

<gadget id="calculator">12_345 + 7_655</gadget>
<output>20_000</output>

<result>20_000</result>