When Xiaohong calculates the subtraction of decimals, she mistakenly regards the subtrahend 4.5 as 45, and the wrong result is 78. What is the correct result?
小红在计算小数减法时，将减数4.5错看成45，错误得数78，那么正确的得数是多少
<gadget id="calculator">45 - 4.5</gadget>
<output>40.5</output>

<gadget id="calculator">78 + 40.5</gadget>
<output>118.5</output>

<result>118.5</result>