There are 340 tons of goods in a certain warehouse. One car transported 24.5 tons of goods per day on average in the first two days, and the rest needs to be shipped in 10 days. On average, how many tons more than the previous two days?
某仓库有货物340吨，一辆汽车前两天平均每天运货24.5吨，剩下的要求10天运完，平均每天至少比前两天多运多少吨？
<gadget id="calculator">24.5 * 2</gadget>
<output>49</output>

<gadget id="calculator">340 - 49</gadget>
<output>291</output>

<gadget id="calculator">291 / 10</gadget>
<output>291/10 = around 29.1</output>

<gadget id="calculator">(291/10) - 24.5</gadget>
<output>4.6</output>

<result>4.6</result>