The sugar factory produced 52 (1/4) tons of white sugar in January, 13.6 tons more than in February, and the white sugar produced in March was 28 (7/10) tons less than the sum of January and February. How many tons of white sugar was produced in March?
糖厂一月份生产白糖52(1/4)吨，比二月份多生产13.6吨，三月份生产的白糖比一、二月份生产的总和少28(7/10)吨．三月份生产白糖多少吨？
<result>62.6</result>