A chemical fertilizer factory originally planned to complete a task in 14 days. Due to the extra production of 15 tons per day, the task was completed in 9 days. How many tons of fertilizer was originally planned to be produced per day?
一个化肥厂原计划14天完成一项任务，由于每天多生产15吨，结果9天就完成任务．原计划每天生产化肥多少吨？
<gadget id="calculator">14 - 9</gadget>
<output>5</output>

<gadget id="calculator">9 / 5</gadget>
<output>9/5 = around 1.8</output>

<gadget id="calculator">15 * (9/5)</gadget>
<output>27</output>

<result>27</result>