The cafeteria bought some rice and ate it (5/8) in two days, leaving 150 kilograms. How much of this rice is there?
食堂买来一些大米，两天吃了其中的(5/8)，还剩下150千克，这些大米共有多少？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">150 / (3/8)</gadget>
<output>400</output>

<result>400</result>