To pave a 62-square-meter field, first lay 34 square meters with 850 square bricks, and how many pieces of this square brick will be left?
要铺一块62平方米的地，先铺34平方米用方砖850块，余下的还要多少块这种方砖？
<gadget id="calculator">62 - 34</gadget>
<output>28</output>

<gadget id="calculator">34 / 850</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">28 / (1/25)</gadget>
<output>700</output>

<result>700</result>