The original plan to transport a batch of goods was 35 tons per day, and the shipment was completed in 12 days. The actual daily shipment was 5 tons more than planned. How many days can the shipment be completed? (answer with ratio)
运一批货物原计划每天运35吨，12天运完，实际每天比计划多运5吨，几天可以运完？(用比例解答)
<gadget id="calculator">35 * 12</gadget>
<output>420</output>

<gadget id="calculator">35 + 5</gadget>
<output>40</output>

<gadget id="calculator">420 / 40</gadget>
<output>21/2 = around 10.5</output>

<result>21/2 = around 10.5</result>