The grain store shipped back 750 kg of rice, sold 436 kg, and shipped back 350 kg. How many kilograms of rice does the grain store have now?
粮店运回750千克大米，卖出了436千克后，又运回350千克．粮店现在有大米多少千克？
<gadget id="calculator">750 - 436</gadget>
<output>314</output>

<gadget id="calculator">314 + 350</gadget>
<output>664</output>

<result>664</result>