Bananas and strawberries weigh a total of 56.6 kilograms. The weight of bananas is 5.6 kilograms twice that of strawberries. How many kilograms are bananas? (solution by equation)
香蕉和草莓共重56.6千克，香蕉的重量比草莓的2倍还多5.6千克，香蕉有多少千克？(用方程解)
<gadget id="calculator">56.6 - 5.6</gadget>
<output>51</output>

<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">51 / 3</gadget>
<output>17</output>

<gadget id="calculator">56.6 - 17</gadget>
<output>39.6</output>

<result>39.6</result>