A basket of apples, after eating some, left (2/3), exactly 10 kilograms, how many kilograms did the basket of apples originally weigh?
一筐苹果，吃了一些后，还剩下(2/3)，正好是10千克，这筐苹果原来重多少千克？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">10 / (2/3)</gadget>
<output>15</output>

<result>15</result>