The fruit shop brought in 230 kilograms of fruit in the morning, and 50 kilograms less in the afternoon than three times in the morning. How many kilograms of fruit are shipped in total on this day?
水果店上午运进水果230千克，下午运进的比上午的3倍少50千克．这一天一共运进水果多少千克？
<gadget id="calculator">230 * 3</gadget>
<output>690</output>

<gadget id="calculator">690 - 50</gadget>
<output>640</output>

<gadget id="calculator">640 + 230</gadget>
<output>870</output>

<result>870</result>