A vegetable market sells 1.8 tons of cabbage, how much, how many tons of green vegetables are sold? (Add appropriate conditions so that the formula becomes ((1.8)/(1-(1/3)))).
某菜场销售包心菜1.8吨，多少，售出青菜多少吨？(补上合适的条件，使算式成为((1.8)/(1-(1/3))))．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>