A certain village built two canals last year with a total length of 650 meters. The length of the canals built last year was 13 times that of this year. How many more meters were repaired last year than this year?
某村去年修了两条水渠，总长650米，去年修的水渠长度是今年的13倍．去年比今年多修了多少米？
<gadget id="calculator">650 / 13</gadget>
<output>50</output>

<gadget id="calculator">650 - 50</gadget>
<output>600</output>

<result>600</result>