A truck transports a batch of lumber, 105 lumber each time, and 70 lumber remains after 6 hauls. How many lumber are there in this pile?
一辆卡车运一批木材，每次运105根，运了6次后还剩70根，这堆木材共有几根？
<gadget id="calculator">105 * 6</gadget>
<output>630</output>

<gadget id="calculator">630 + 70</gadget>
<output>700</output>

<result>700</result>