In a rectangular field 600 meters long and 240 meters wide, apple trees are planted at intervals of 6 meters horizontally and vertically. How many trees can be planted in this field?
在一块长600米，宽240米的长方形的地里栽苹果树，横竖间隔都是6米．这块地共能栽多少棵？
<gadget id="calculator">600 / 6</gadget>
<output>100</output>

<gadget id="calculator">100 + 1</gadget>
<output>101</output>

<gadget id="calculator">240 / 6</gadget>
<output>40</output>

<gadget id="calculator">40 + 1</gadget>
<output>41</output>

<gadget id="calculator">101 * 41</gadget>
<output>4_141</output>

<result>4_141</result>