Xiaorong walked three times on the 40-meter straight road, taking 83 steps, 78 steps, and 79 steps respectively. She has to walk 450 steps from home to school, how many meters is her home from school?
小蓉在40米直路上走了三次，分别走了83步、78步、79步．她从家到学校要走450步，她家离学校有多少米？
<gadget id="calculator">40 * 3</gadget>
<output>120</output>

<gadget id="calculator">83 + 78 + 79</gadget>
<output>240</output>

<gadget id="calculator">120 / 240</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 450</gadget>
<output>225</output>

<result>225</result>