The digging of a canal in Zhang Village happened to be completed in one week. It is known that 259 meters were dug in the first 4 days, and an average of 56 meters was dug every day in the next 3 days. How many meters do you dig on average per day?
张村挖一条水渠，正好一周挖完，已知前4天挖了259米，后3天平均每天挖56米．平均每天挖多少米？
<gadget id="calculator">56 * 3</gadget>
<output>168</output>

<gadget id="calculator">259 + 168</gadget>
<output>427</output>

<gadget id="calculator">427 / 7</gadget>
<output>61</output>

<result>61</result>