The school cafeteria bought 135kg of potatoes, some of which were eaten last week, and there are still (1/3) of this batch of potatoes left. How many kilograms of potatoes have you eaten in the last week?
学校食堂买来了135kg土豆，上个星期已经吃了一些，还剩下这批土豆的(1/3)．上个星期已经吃了多少千克土豆？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">135 * (2/3)</gadget>
<output>90</output>

<result>90</result>