The canteen bought some rice and ate (3/5) of it in 3 days, leaving 150 kg. How many kilograms of these rices are there in total? How many.
食堂买来一些大米，3天吃了其中的(3/5)，还剩下150千克．求这些大米共有多少千克？多少．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">150 / (2/5)</gadget>
<output>375</output>

<result>375</result>