Xiao Pang is calculating 25*(□+4), and the calculated result is 25*□+4, which is much less than the original correct result.
小胖在计算25*(□+4)，算成25*□+4，算出的结果比原来正确的结果少多少．
<gadget id="calculator">25 * 4</gadget>
<output>100</output>

<gadget id="calculator">100 - 4</gadget>
<output>96</output>

<result>96</result>