The 290 tons of goods in the warehouse have to be shipped within a week. 100 tons have been transported in the first 3 days. In the future, how many tons will be transported on average every day to complete the task on schedule?
仓库里290吨货物，要在一星期内运完．前3天已经运走了100吨．以后平均每天要运多少吨才能按期完成任务？
<gadget id="calculator">290 - 100</gadget>
<output>190</output>

<gadget id="calculator">7 - 3</gadget>
<output>4</output>

<gadget id="calculator">190 / 4</gadget>
<output>95/2 = around 47.5</output>

<result>95/2 = around 47.5</result>