There are 360 kilograms of coal stored in the cafeteria. First use up (3/8), how many kilograms are used again, the remaining coal is exactly half of the total amount of stored coal?
食堂存煤360千克，先用去了(3/8)，再用去了多少千克，剩下的煤正好是存煤总数的一半？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">1 - (1/2) - (3/8)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">360 * (1/8)</gadget>
<output>45</output>

<result>45</result>