Two carts of rice are brought in. The first cart contains 4.15 tons of rice, which is (5/8) tons heavier than the second cart. How many tons of rice are there in the two carts?
运来两车大米，第一车有大米4.15吨，比第二车重(5/8)吨．两车共有大米多少吨？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">4.15 - (5/8)</gadget>
<output>3.525</output>

<gadget id="calculator">3.525 + 4.15</gadget>
<output>7.675</output>

<result>7.675</result>