When calculating a decimal subtraction, the subtrahend 25.6 was mistakenly regarded as 2.56, and the result was 84.74. What should be the correct result?
计算一道小数减法时，将减数25.6错看成了2.56，结果是84.74，正确的结果应该是多少．
<gadget id="calculator">2.56 - 25.6</gadget>
<output>-23.04</output>

<gadget id="calculator">84.74 + (-23.04)</gadget>
<output>61.7</output>

<result>61.7</result>