A road construction team built 160 kilometers of roads every day for the first 3 days, and a total of 710 kilometers of roads in the next 4 days. How many kilometers are built on average per day?
某修路队前3天每天修路160千米，后4天共修路710千米．平均每天修路多少千米？
<gadget id="calculator">160 * 3</gadget>
<output>480</output>

<gadget id="calculator">480 + 710</gadget>
<output>1_190</output>

<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<gadget id="calculator">1_190 / 7</gadget>
<output>170</output>

<result>170</result>