A asked B how old he was this year, B said that when I was your age, you were just 3 years old, and when you were my age, I was already 45 years old, so how old is B this year?
甲问乙今年多少岁，乙说当我像你这么大的时候，你刚3岁，当你像我这么大的时候，我已经45岁了，那么乙今年多少岁．
<gadget id="calculator">45 + 3 + 45</gadget>
<output>93</output>

<gadget id="calculator">1 + 1 + 1</gadget>
<output>3</output>

<gadget id="calculator">93 / 3</gadget>
<output>31</output>

<result>31</result>