Four monks take turns to carry water and walk a distance of 900 meters, how many meters each person carries water on average.
四个和尚轮流抬水走900米的路，平均每人抬水走多少米．
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">900 / 2</gadget>
<output>450</output>

<result>450</result>