There is a rectangular lawn with a width of 10 meters in the lotus community. Later, the road was expanded, and the width of the lawn was reduced by 3 meters, so the area of the lawn was reduced by 45 square meters. How many square meters is the lawn now?
荷花小区有一个宽10米的长方形草坪，后来扩建道路，草坪的宽减少了3米，这样草坪的面积就减少了45平方米，现在草坪的面积是多少平方米？
<gadget id="calculator">45 / 3</gadget>
<output>15</output>

<gadget id="calculator">15 * 10</gadget>
<output>150</output>

<gadget id="calculator">150 - 45</gadget>
<output>105</output>

<result>105</result>