Master Zhou can process 21 parts every 8 minutes. From 14:40 to 15:20, how many parts can Master Zhou process?
周师傅每8分可以加工21个零件．从14：40到15：20，周师傅一共可以加工多少个零件？
<gadget id="calculator">21 / 8</gadget>
<output>21/8 = around 2.625</output>

<gadget id="calculator">(21/8) * 40</gadget>
<output>105</output>

<result>105</result>