A factory used 78.8 tons of water in October and 68.2 tons in November. If the price of water per ton is 2.3 yuan, how much will the factory have to pay for water in these two months?
某工厂十月份用水78.8吨，十一月份用水68.2吨，如果每吨水的价格是2.3元，工厂这两个月一共要付水费多少元？
<gadget id="calculator">78.8 + 68.2</gadget>
<output>147</output>

<gadget id="calculator">147 * 2.3</gadget>
<output>338.1</output>

<result>338.1</result>