A supermarket sold 4,600 kilograms of fruit in September last year, 40 kilograms more than double that in August. How many kilograms of fruit did this supermarket sell in August? (solution by equation)
某超市去年九月卖出水果4600千克，比八月份的2倍还多40千克，这个超市八月份卖出水果多少千克？(用方程解)
<gadget id="calculator">4_600 - 40</gadget>
<output>4_560</output>

<gadget id="calculator">4_560 / 2</gadget>
<output>2_280</output>

<result>2_280</result>