A rectangle has an area of 0.45 square meters, a length of 90 cm, and a width of 90 cm?
一个长方形，面积是0.45平方米，长是90厘米，宽是多少厘米？
<gadget id="calculator">10_000 / 90</gadget>
<output>1_000/9 = around 111.111111</output>

<gadget id="calculator">0.45 * (1_000/9)</gadget>
<output>50</output>

<result>50</result>