Xiao Le asked the teacher how old this year, the teacher said: "When I was your age, you were only 6 years old; when you were my age, I was already 45 years old", how old is the teacher this year.
小乐问老师今年多少岁，老师说："当我像你这么大时，你才6岁：当你像我这么大时，我已经45岁"，老师今年多少岁．
<gadget id="calculator">45 - 6</gadget>
<output>39</output>

<gadget id="calculator">39 / 3</gadget>
<output>13</output>

<gadget id="calculator">6 + 13 + 13</gadget>
<output>32</output>

<result>32</result>