There is a certain amount of grain in Warehouse A. After transporting 13.5 tons, the rest is 4.6 tons more than what was transported. How many tons of grain did warehouse A originally store?
甲仓有粮食若干，运出13.5吨后，剩下的比运走的多4.6吨，甲仓原来存有粮食多少吨？
<gadget id="calculator">13.5 + 4.6</gadget>
<output>18.1</output>

<gadget id="calculator">18.1 + 13.5</gadget>
<output>31.6</output>

<result>31.6</result>