A truck transports chemical fertilizers, 8.6 tons are transported in the morning, and 0.7 tons less in the afternoon than in the morning. How many tons of chemical fertilizers are transported in the whole day?
一辆货车运化肥，上午运走8.6吨，下午比上午少运0.7吨，全天共运走多少吨化肥？
<gadget id="calculator">8.6 - 0.7</gadget>
<output>7.9</output>

<gadget id="calculator">7.9 + 8.6</gadget>
<output>16.5</output>

<result>16.5</result>