There are three workshops in the chemical factory. Workshop 1 produces 5.4 tons of fertilizer per hour on average in 2.4 hours. Workshop 2 produces 6.4 tons of fertilizer per hour on average in 2.5 hours. Workshop 3 produces 15.29 tons of fertilizer in total in 2.6 hours. How many tons of fertilizer?
化工厂有三个车间，一车间2.4小时，平均每小时生产化肥5.4t，二车间2.5小时，平均每小时生产化肥6.4t，三车间2.6小时共生产化肥15.29t，这三个车间平均每小时生产化肥多少吨？
<gadget id="calculator">5.4 * 2.4</gadget>
<output>12.96</output>

<gadget id="calculator">6.4 * 2.5</gadget>
<output>16</output>

<gadget id="calculator">12.96 + 16 + 15.29</gadget>
<output>44.25</output>

<gadget id="calculator">2.4 + 2.5 + 2.6</gadget>
<output>7.5</output>

<gadget id="calculator">44.25 / 7.5</gadget>
<output>5.9</output>

<result>5.9</result>