If 100 monks eat 100 steamed buns, each monk eats 4 buns, and 4 junior monks eat one bun, how many buns does the monk have?
100个和尚100个馍，大和尚一人吃4个，小和尚4人吃一个，则大和尚有多少个．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) * 100</gadget>
<output>25</output>

<gadget id="calculator">100 - 25</gadget>
<output>75</output>

<gadget id="calculator">4 - (1/4)</gadget>
<output>15/4 = around 3.75</output>

<gadget id="calculator">75 / (15/4)</gadget>
<output>20</output>

<result>20</result>