When calculating the decimal subtraction, Xiaohong mistook the subtrahend 3.8 as 38 and got 108. What is the correct result?
小红在计算小数减法时，将减数3.8错看成38，得108，那么正确的结果是多少
<gadget id="calculator">38 - 3.8</gadget>
<output>34.2</output>

<gadget id="calculator">108 + 34.2</gadget>
<output>142.2</output>

<result>142.2</result>