The computer company assembled 75 computers on the first day, and 65 computers on the second day. The computers assembled in two days were equivalent to (2/5) of the total amount. The manager said that (3/14) of the total amount was installed on the first day. Is he right?
电脑公司第一天装配电脑75台，第二天装配电脑65台，两天装配的电脑相当于总量的(2/5)，经理说第一天装了总量的(3/14)，他说得对吗？
<gadget id="calculator">75 + 65</gadget>
<output>140</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">140 / (2/5)</gadget>
<output>350</output>

<gadget id="calculator">75 / 350</gadget>
<output>3/14 = around 0.214286</output>

<result>3/14 = around 0.214286</result>