A store ships a batch of vegetables, sells (2/5), and there are 440 kilograms left. How many kilograms are there in this batch of vegetables?
一个商店运来一批蔬菜，卖出(2/5)，还剩440千克，这批蔬菜共有多少千克？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">440 / (3/5)</gadget>
<output>2_200/3 = around 733.333333</output>

<result>2_200/3 = around 733.333333</result>