As shown in the picture, a small triangle is blacked out in the large triangle. If the large triangle represents 48, how much does the blank part represent? If the blank part is 36, how much should the large triangle represent?
如图，大三角形里有一个小三角形被涂黑了，如果大三角形表示48，那么空白部分表示多少；如果空白部分是36，那大三角形应表示多少？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) * (1/4)</gadget>
<output>1/16 = around 0.0625</output>

<gadget id="calculator">48 * (1/16)</gadget>
<output>3</output>

<gadget id="calculator">48 - 3</gadget>
<output>45</output>

<result>45</result>