An engineering team has two excavators A and B. A excavator first digs for 4 hours, and then the two excavators dig for 10 hours together, digging a total of 600 cubic meters of soil. It is known that excavator A digs 6 cubic meters more soil per hour than machine B, and how much more soil is excavated by excavator A than machine B.
某工程队有甲、乙两台挖土机，甲挖土机先挖4小时，然后两台挖土机一起挖土10小时，总共挖土600立方米．已知甲挖土机比乙挖土机每小时多挖土6立方米，甲挖土机比挖土乙机一共多挖土多少立方米．
<gadget id="calculator">6 * 10</gadget>
<output>60</output>

<gadget id="calculator">60 + 600</gadget>
<output>660</output>

<gadget id="calculator">4 + 10 + 10</gadget>
<output>24</output>

<gadget id="calculator">660 / 24</gadget>
<output>55/2 = around 27.5</output>

<gadget id="calculator">(55/2) * 4</gadget>
<output>110</output>

<gadget id="calculator">110 + 60</gadget>
<output>170</output>

<result>170</result>