Shopping malls carry out preferential reward activities, where the shopping over 200 yuan will be rewarded with 50 yuan in cash. Xiaodong's mother brought 650 yuan to the mall for shopping. Please help her calculate how much money she can buy at most?
商场开展优惠酬宾活动，凡购物满200元回赠现金50元．小东妈妈带了650元到商场购物，请你帮她算一算，她最多能买到多少钱的物品？
<gadget id="calculator">600 / 200</gadget>
<output>3</output>

<gadget id="calculator">50 * 3</gadget>
<output>150</output>

<gadget id="calculator">650 - 600</gadget>
<output>50</output>

<gadget id="calculator">650 + 150 + 50 + 50</gadget>
<output>900</output>

<result>900</result>