It takes 225 days for Venus to go around the sun, which is 45/73 days for the earth to go around the sun. The time for Mercury to go around the sun is 2 days less than the time for the earth to go around the sun (18/73). How many days does it take for a star to orbit the sun?
金星绕太阳一周需要225天，是地球绕太阳一周的(45/73)，水星绕太阳一周的时间比地球绕太阳一周的(18/73)少2天．谁星绕太阳一周要多少天？
<gadget id="calculator">45 / 73</gadget>
<output>45/73 = around 0.616438</output>

<gadget id="calculator">225 / (45/73)</gadget>
<output>365</output>

<gadget id="calculator">18 / 73</gadget>
<output>18/73 = around 0.246575</output>

<gadget id="calculator">365 * (18/73)</gadget>
<output>90</output>

<gadget id="calculator">90 - 2</gadget>
<output>88</output>

<result>88</result>