The average monthly precipitation in Hangzhou is 121.5 mm. Emei Mountain is the place with the most rainfall days in my country. The annual precipitation is 593.9 mm more than that in Hangzhou. How many mm is the annual precipitation in Emei Mountain?
杭州月平均降水量为121.5mm，峨眉山是我国降雨天数最多的地方，年降水量比杭州多593.9mm，峨眉山的年降水量达多少mm？
<gadget id="calculator">121.5 * 12</gadget>
<output>1_458</output>

<gadget id="calculator">1_458 + 593.9</gadget>
<output>2_051.9</output>

<result>2_051.9</result>