Digging a 7.2-kilometer-long canal is planned to be completed in 30 days, but the actual digging is 0.06 kilometers more than the plan every day. How many days will it actually be completed?
挖一条长7.2千米的水渠，计划30天完成，实际每天比计划多挖0.06千米，实际完成是多少天？
<gadget id="calculator">7.2 / 30</gadget>
<output>0.24</output>

<gadget id="calculator">0.24 + 0.06</gadget>
<output>0.3</output>

<gadget id="calculator">7.2 / 0.3</gadget>
<output>24</output>

<result>24</result>