The cafeteria burned (3/10) tons of coal in the first week, and burned (1/8) tons less in the second week than in the first week. How many tons of coal were burned in the first week and the second week?
食堂第一周烧煤(3/10)吨，第二周比第一周少烧(1/8)吨，第一周和第二周一共烧了多少吨煤？
<gadget id="calculator">19 / 10</gadget>
<output>19/10 = around 1.9</output>

<result>19/10 = around 1.9</result>