Originally there were 95 sheets of blank paper, but 67 sheets were used last week, and another 53 sheets were bought this week. How many blank sheets of paper does Xiao Fang have now?
原来有95张白纸，上星期用了67张，这星期又买来53张．小方现在有几张白纸？
<gadget id="calculator">95 - 67</gadget>
<output>28</output>

<gadget id="calculator">28 + 53</gadget>
<output>81</output>

<result>81</result>