The engineering team wanted to dig a 900-meter-long canal. The plan was to dig 60 meters per day. Due to the adoption of new technology, the actual digging was 30 meters more than planned every day. How many days did it actually take to dig?
工程队要挖一条900米长的水渠，计划每天挖60米，由于采用新技术，实际每天比计划多挖30米．实际用多少天挖完？
<gadget id="calculator">60 + 30</gadget>
<output>90</output>

<gadget id="calculator">900 / 90</gadget>
<output>10</output>

<result>10</result>