Calculate how much 2.5*7.5+1.3*7.5+45*0.75=.
计算2.5*7.5+1.3*7.5+45*0.75=多少．
<gadget id="calculator">2.5 * 7.5</gadget>
<output>18.75</output>

<gadget id="calculator">1.3 * 7.5</gadget>
<output>9.75</output>

<gadget id="calculator">45 * 0.75</gadget>
<output>33.75</output>

<gadget id="calculator">18.75 + 9.75 + 33.75</gadget>
<output>62.25</output>

<result>62.25</result>