There are 15 tons of fertilizers in the warehouse, and 4.5 tons are shipped out on the first day, which is 1.6 tons less than the second day. How many tons of fertilizers were shipped out in total in two days?
仓库有化肥15吨，第一天运出4.5吨，比第二天少运出1.6吨，两天一共运出化肥多少吨？
<gadget id="calculator">4.5 + 1.6 + 4.5</gadget>
<output>10.6</output>

<result>10.6</result>