When calculating 203-101, the calculation becomes 203-100+1, so how much is the difference between the obtained result and the correct result.
在计算203-101时，计算成了203-100+1，这样所得的结果与正确结果相差多少．
<gadget id="calculator">1 + 1</gadget>
<output>2</output>

<result>2</result>