The school originally had 75 science and technology books, and bought 58 new ones this year. How many science and technology books does the school have now?
学校原有科技书75本，今年又新买来58本．学校现在有科技书多少本？
<gadget id="calculator">75 + 58</gadget>
<output>133</output>

<result>133</result>