The cafeteria shipped 400 kilograms of flour, 3/10 of the total was eaten in the first week, and 3/8 of the total was eaten in the second week, how many kilograms of flour are left?
食堂运来400千克面粉，第一周吃了总数的(3/10)，第二周吃了总数的(3/8)，还剩下多少千克面粉？
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/10) - (3/8)</gadget>
<output>13/40 = around 0.325</output>

<gadget id="calculator">400 * (13/40)</gadget>
<output>130</output>

<result>130</result>