Two people, A and B, move a pile of bricks. It takes A 40 minutes to move it alone, and B 60 minutes to move it alone. Now the two start moving at the same time, and when the moving is over, A moves 72 more bricks than B. How many bricks are there in total?
甲、乙两人搬一堆砖，甲单独搬完需40分钟，乙单独搬完需60分钟．现在两人同时开始搬，搬完时甲比乙多搬72块砖．这堆砖共有多少块？
<gadget id="calculator">1 / 40</gadget>
<output>1/40 = around 0.025</output>

<gadget id="calculator">1 / 60</gadget>
<output>1/60 = around 0.016667</output>

<gadget id="calculator">(1/40) / (1/60)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(3/2) - 1</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">72 / (1/2)</gadget>
<output>144</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(3/2) + 1</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">144 * (5/2)</gadget>
<output>360</output>

<result>360</result>