The precipitation in a certain area last year was 168 millimeters, which was (5/8) less than the previous year. How many millimeters was the precipitation in this area in the previous year?
某地区去年降水量是168毫米，比前年减少了(5/8)，这个地区前年降水量是多少毫米？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">168 / (3/8)</gadget>
<output>448</output>

<result>448</result>